diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index 58ebbf42bb..b69a94f275 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -2652,7 +2652,7 @@ GtkScrolledWindow {
 }
 
 // transition
-.list-row, list-row.button {
+.list-row {
   transition: all 150ms $ease-out-quad;
   &:hover { transition: none; }
 }
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index dac23ce96a..a7fdf3014a 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -387,8 +387,7 @@ GtkTextView {
       text-shadow: none;
       icon-shadow: none;
       box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0); }
-      .button:backdrop:insensitive > .label, .header-bar .button.titlebutton:backdrop:insensitive > .label,
-      .titlebar .button.titlebutton:backdrop:insensitive > .label, .button.flat:backdrop:insensitive > .label, .sidebar-button.button:backdrop:insensitive > .label, .header-bar .titlebutton.button:backdrop:insensitive > .label,
+      .button:backdrop:insensitive > .label, .button.flat:backdrop:insensitive > .label, .sidebar-button.button:backdrop:insensitive > .label, .header-bar .titlebutton.button:backdrop:insensitive > .label,
       .titlebar .titlebutton.button:backdrop:insensitive > .label {
         color: inherit; }
     .button:backdrop:insensitive:active, .button:backdrop:insensitive:checked, .button.flat:backdrop:insensitive:active, .sidebar-button.button:backdrop:insensitive:active, .header-bar .titlebutton.button:backdrop:insensitive:active,
@@ -398,9 +397,7 @@ GtkTextView {
       border-color: #1e2222;
       background-image: linear-gradient(to bottom, #262929);
       box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0); }
-      .button:backdrop:insensitive:active > .label, .header-bar .button.titlebutton:backdrop:insensitive:active > .label,
-      .titlebar .button.titlebutton:backdrop:insensitive:active > .label, .button:backdrop:insensitive:checked > .label, .header-bar .button.titlebutton:backdrop:insensitive:checked > .label,
-      .titlebar .button.titlebutton:backdrop:insensitive:checked > .label, .button.flat:backdrop:insensitive:active > .label, .sidebar-button.button:backdrop:insensitive:active > .label, .header-bar .titlebutton.button:backdrop:insensitive:active > .label,
+      .button:backdrop:insensitive:active > .label, .button:backdrop:insensitive:checked > .label, .button.flat:backdrop:insensitive:active > .label, .sidebar-button.button:backdrop:insensitive:active > .label, .header-bar .titlebutton.button:backdrop:insensitive:active > .label,
       .titlebar .titlebutton.button:backdrop:insensitive:active > .label, .button.flat:backdrop:insensitive:checked > .label, .sidebar-button.button:backdrop:insensitive:checked > .label, .header-bar .titlebutton.button:backdrop:insensitive:checked > .label,
       .titlebar .titlebutton.button:backdrop:insensitive:checked > .label {
         color: inherit; }
@@ -422,17 +419,14 @@ GtkTextView {
     text-shadow: none;
     icon-shadow: none;
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0.1); }
-    .button:insensitive > .label, .header-bar .button.titlebutton:insensitive > .label,
-    .titlebar .button.titlebutton:insensitive > .label {
+    .button:insensitive > .label {
       color: inherit; }
     .button:insensitive:active, .button:insensitive:checked {
       color: #939695;
       border-color: #1c1f1f;
       background-image: linear-gradient(to bottom, #2f3333, #323636);
       box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0.1); }
-      .button:insensitive:active > .label, .header-bar .button.titlebutton:insensitive:active > .label,
-      .titlebar .button.titlebutton:insensitive:active > .label, .button:insensitive:checked > .label, .header-bar .button.titlebutton:insensitive:checked > .label,
-      .titlebar .button.titlebutton:insensitive:checked > .label {
+      .button:insensitive:active > .label, .button:insensitive:checked > .label {
         color: inherit; }
   .button.osd, .header-bar .osd.button.titlebutton,
   .titlebar .osd.button.titlebutton {
@@ -675,8 +669,7 @@ GtkTextView {
         text-shadow: none;
         icon-shadow: none;
         box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0); }
-        .button.suggested-action:backdrop:insensitive > .label, .header-bar .suggested-action.button.titlebutton:backdrop:insensitive > .label,
-        .titlebar .suggested-action.button.titlebutton:backdrop:insensitive > .label, .button.suggested-action.flat:backdrop:insensitive > .label, .suggested-action.sidebar-button.button:backdrop:insensitive > .label, .header-bar .suggested-action.titlebutton.button:backdrop:insensitive > .label,
+        .button.suggested-action:backdrop:insensitive > .label, .button.suggested-action.flat:backdrop:insensitive > .label, .suggested-action.sidebar-button.button:backdrop:insensitive > .label, .header-bar .suggested-action.titlebutton.button:backdrop:insensitive > .label,
         .titlebar .suggested-action.titlebutton.button:backdrop:insensitive > .label {
           color: inherit; }
         .button.suggested-action:backdrop:insensitive:active, .button.suggested-action:backdrop:insensitive:checked, .button.suggested-action.flat:backdrop:insensitive:active, .suggested-action.sidebar-button.button:backdrop:insensitive:active, .header-bar .suggested-action.titlebutton.button:backdrop:insensitive:active,
@@ -686,9 +679,7 @@ GtkTextView {
           border-color: #0b1e33;
           background-image: linear-gradient(to bottom, #1d4876);
           box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0); }
-          .button.suggested-action:backdrop:insensitive:active > .label, .header-bar .suggested-action.button.titlebutton:backdrop:insensitive:active > .label,
-          .titlebar .suggested-action.button.titlebutton:backdrop:insensitive:active > .label, .button.suggested-action:backdrop:insensitive:checked > .label, .header-bar .suggested-action.button.titlebutton:backdrop:insensitive:checked > .label,
-          .titlebar .suggested-action.button.titlebutton:backdrop:insensitive:checked > .label, .button.suggested-action.flat:backdrop:insensitive:active > .label, .suggested-action.sidebar-button.button:backdrop:insensitive:active > .label, .header-bar .suggested-action.titlebutton.button:backdrop:insensitive:active > .label,
+          .button.suggested-action:backdrop:insensitive:active > .label, .button.suggested-action:backdrop:insensitive:checked > .label, .button.suggested-action.flat:backdrop:insensitive:active > .label, .suggested-action.sidebar-button.button:backdrop:insensitive:active > .label, .header-bar .suggested-action.titlebutton.button:backdrop:insensitive:active > .label,
           .titlebar .suggested-action.titlebutton.button:backdrop:insensitive:active > .label, .button.suggested-action.flat:backdrop:insensitive:checked > .label, .suggested-action.sidebar-button.button:backdrop:insensitive:checked > .label, .header-bar .suggested-action.titlebutton.button:backdrop:insensitive:checked > .label,
           .titlebar .suggested-action.titlebutton.button:backdrop:insensitive:checked > .label {
             color: inherit; }
@@ -710,17 +701,14 @@ GtkTextView {
       text-shadow: none;
       icon-shadow: none;
       box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0.1); }
-      .button.suggested-action:insensitive > .label, .header-bar .suggested-action.button.titlebutton:insensitive > .label,
-      .titlebar .suggested-action.button.titlebutton:insensitive > .label {
+      .button.suggested-action:insensitive > .label {
         color: inherit; }
       .button.suggested-action:insensitive:active, .button.suggested-action:insensitive:checked {
         color: #a4b5c8;
         border-color: #0b1e33;
         background-image: linear-gradient(to bottom, #1b436f, #1d4876);
         box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0.1); }
-        .button.suggested-action:insensitive:active > .label, .header-bar .suggested-action.button.titlebutton:insensitive:active > .label,
-        .titlebar .suggested-action.button.titlebutton:insensitive:active > .label, .button.suggested-action:insensitive:checked > .label, .header-bar .suggested-action.button.titlebutton:insensitive:checked > .label,
-        .titlebar .suggested-action.button.titlebutton:insensitive:checked > .label {
+        .button.suggested-action:insensitive:active > .label, .button.suggested-action:insensitive:checked > .label {
           color: inherit; }
     .osd .button.suggested-action {
       color: #eeeeec;
@@ -822,8 +810,7 @@ GtkTextView {
         text-shadow: none;
         icon-shadow: none;
         box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0); }
-        .button.destructive-action:backdrop:insensitive > .label, .header-bar .destructive-action.button.titlebutton:backdrop:insensitive > .label,
-        .titlebar .destructive-action.button.titlebutton:backdrop:insensitive > .label, .button.destructive-action.flat:backdrop:insensitive > .label, .destructive-action.sidebar-button.button:backdrop:insensitive > .label, .header-bar .destructive-action.titlebutton.button:backdrop:insensitive > .label,
+        .button.destructive-action:backdrop:insensitive > .label, .button.destructive-action.flat:backdrop:insensitive > .label, .destructive-action.sidebar-button.button:backdrop:insensitive > .label, .header-bar .destructive-action.titlebutton.button:backdrop:insensitive > .label,
         .titlebar .destructive-action.titlebutton.button:backdrop:insensitive > .label {
           color: inherit; }
         .button.destructive-action:backdrop:insensitive:active, .button.destructive-action:backdrop:insensitive:checked, .button.destructive-action.flat:backdrop:insensitive:active, .destructive-action.sidebar-button.button:backdrop:insensitive:active, .header-bar .destructive-action.titlebutton.button:backdrop:insensitive:active,
@@ -833,9 +820,7 @@ GtkTextView {
           border-color: #5e0707;
           background-image: linear-gradient(to bottom, #a41111);
           box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0); }
-          .button.destructive-action:backdrop:insensitive:active > .label, .header-bar .destructive-action.button.titlebutton:backdrop:insensitive:active > .label,
-          .titlebar .destructive-action.button.titlebutton:backdrop:insensitive:active > .label, .button.destructive-action:backdrop:insensitive:checked > .label, .header-bar .destructive-action.button.titlebutton:backdrop:insensitive:checked > .label,
-          .titlebar .destructive-action.button.titlebutton:backdrop:insensitive:checked > .label, .button.destructive-action.flat:backdrop:insensitive:active > .label, .destructive-action.sidebar-button.button:backdrop:insensitive:active > .label, .header-bar .destructive-action.titlebutton.button:backdrop:insensitive:active > .label,
+          .button.destructive-action:backdrop:insensitive:active > .label, .button.destructive-action:backdrop:insensitive:checked > .label, .button.destructive-action.flat:backdrop:insensitive:active > .label, .destructive-action.sidebar-button.button:backdrop:insensitive:active > .label, .header-bar .destructive-action.titlebutton.button:backdrop:insensitive:active > .label,
           .titlebar .destructive-action.titlebutton.button:backdrop:insensitive:active > .label, .button.destructive-action.flat:backdrop:insensitive:checked > .label, .destructive-action.sidebar-button.button:backdrop:insensitive:checked > .label, .header-bar .destructive-action.titlebutton.button:backdrop:insensitive:checked > .label,
           .titlebar .destructive-action.titlebutton.button:backdrop:insensitive:checked > .label {
             color: inherit; }
@@ -857,17 +842,14 @@ GtkTextView {
       text-shadow: none;
       icon-shadow: none;
       box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0.1); }
-      .button.destructive-action:insensitive > .label, .header-bar .destructive-action.button.titlebutton:insensitive > .label,
-      .titlebar .destructive-action.button.titlebutton:insensitive > .label {
+      .button.destructive-action:insensitive > .label {
         color: inherit; }
       .button.destructive-action:insensitive:active, .button.destructive-action:insensitive:checked {
         color: #da9f9f;
         border-color: #5e0707;
         background-image: linear-gradient(to bottom, #9d1010, #a41111);
         box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0.1); }
-        .button.destructive-action:insensitive:active > .label, .header-bar .destructive-action.button.titlebutton:insensitive:active > .label,
-        .titlebar .destructive-action.button.titlebutton:insensitive:active > .label, .button.destructive-action:insensitive:checked > .label, .header-bar .destructive-action.button.titlebutton:insensitive:checked > .label,
-        .titlebar .destructive-action.button.titlebutton:insensitive:checked > .label {
+        .button.destructive-action:insensitive:active > .label, .button.destructive-action:insensitive:checked > .label {
           color: inherit; }
     .osd .button.destructive-action {
       color: #eeeeec;
@@ -945,8 +927,7 @@ GtkTextView {
       padding-right: 6px;
       padding-top: 3px;
       padding-bottom: 3px; }
-    .stack-switcher > .button.text-button, .header-bar .stack-switcher > .text-button.button.titlebutton,
-    .titlebar .stack-switcher > .text-button.button.titlebutton {
+    .stack-switcher > .button.text-button {
       padding: 5px 10px 6px; }
     .stack-switcher > .button.image-button, .stack-switcher > GtkScaleButton.button,
     .stack-switcher > GtkVolumeButton.button, .header-bar .stack-switcher > .titlebutton.button,
@@ -986,8 +967,7 @@ GtkTextView {
   text-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
   icon-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
   box-shadow: inset 0 1px rgba(255, 255, 255, 0.1), 0 1px rgba(238, 238, 236, 0.1); }
-  .inline-toolbar GtkToolButton > .button:hover, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:hover,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:hover {
+  .inline-toolbar GtkToolButton > .button:hover {
     color: #eeeeec;
     outline-color: rgba(238, 238, 236, 0.3);
     border-color: #1c1f1f;
@@ -995,9 +975,7 @@ GtkTextView {
     text-shadow: 0 -1px rgba(0, 0, 0, 0.77976);
     icon-shadow: 0 -1px rgba(0, 0, 0, 0.77976);
     box-shadow: inset 0 1px rgba(255, 255, 255, 0.1), 0 1px rgba(238, 238, 236, 0.1); }
-  .inline-toolbar GtkToolButton > .button:active, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:active,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:active, .inline-toolbar GtkToolButton > .button:checked, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:checked,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:checked {
+  .inline-toolbar GtkToolButton > .button:active, .inline-toolbar GtkToolButton > .button:checked {
     color: #eeeeec;
     outline-color: rgba(238, 238, 236, 0.3);
     border-color: #1c1f1f;
@@ -1005,8 +983,7 @@ GtkTextView {
     text-shadow: 0 -1px rgba(0, 0, 0, 0.89176);
     icon-shadow: 0 -1px rgba(0, 0, 0, 0.89176);
     box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6), 0 1px rgba(238, 238, 236, 0.1); }
-  .inline-toolbar GtkToolButton > .button:insensitive, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:insensitive,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:insensitive {
+  .inline-toolbar GtkToolButton > .button:insensitive {
     color: #939695;
     border-color: #1c1f1f;
     background-image: linear-gradient(to bottom, #323636);
@@ -1015,32 +992,26 @@ GtkTextView {
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0.1); }
     .inline-toolbar GtkToolButton > .button:insensitive > .label {
       color: inherit; }
-  .inline-toolbar GtkToolButton > .button:insensitive:active, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:insensitive:active,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:insensitive:active, .inline-toolbar GtkToolButton > .button:insensitive:checked, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:insensitive:checked,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:insensitive:checked {
+  .inline-toolbar GtkToolButton > .button:insensitive:active, .inline-toolbar GtkToolButton > .button:insensitive:checked {
     color: #939695;
     border-color: #1c1f1f;
     background-image: linear-gradient(to bottom, #2f3333, #323636);
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0.1); }
     .inline-toolbar GtkToolButton > .button:insensitive:active > .label, .inline-toolbar GtkToolButton > .button:insensitive:checked > .label {
       color: inherit; }
-  .inline-toolbar GtkToolButton > .button:backdrop, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:backdrop,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:backdrop {
+  .inline-toolbar GtkToolButton > .button:backdrop {
     color: #939695;
     border-color: #1e2222;
     background-image: linear-gradient(to bottom, #393f3f);
     text-shadow: none;
     icon-shadow: none;
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0); }
-  .inline-toolbar GtkToolButton > .button:backdrop:active, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:backdrop:active,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:backdrop:active, .inline-toolbar GtkToolButton > .button:backdrop:checked, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:backdrop:checked,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:backdrop:checked {
+  .inline-toolbar GtkToolButton > .button:backdrop:active, .inline-toolbar GtkToolButton > .button:backdrop:checked {
     color: #939695;
     border-color: #1e2222;
     background-image: linear-gradient(to bottom, #2f3434);
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0); }
-  .inline-toolbar GtkToolButton > .button:backdrop:insensitive, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:backdrop:insensitive,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:backdrop:insensitive {
+  .inline-toolbar GtkToolButton > .button:backdrop:insensitive {
     color: #5d6767;
     border-color: #1e2222;
     background-image: linear-gradient(to bottom, #323636);
@@ -1049,9 +1020,7 @@ GtkTextView {
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0); }
     .inline-toolbar GtkToolButton > .button:backdrop:insensitive > .label {
       color: inherit; }
-  .inline-toolbar GtkToolButton > .button:backdrop:insensitive:active, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:backdrop:insensitive:active,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:backdrop:insensitive:active, .inline-toolbar GtkToolButton > .button:backdrop:insensitive:checked, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:backdrop:insensitive:checked,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:backdrop:insensitive:checked {
+  .inline-toolbar GtkToolButton > .button:backdrop:insensitive:active, .inline-toolbar GtkToolButton > .button:backdrop:insensitive:checked {
     color: #5d6767;
     border-color: #1e2222;
     background-image: linear-gradient(to bottom, #262929);
@@ -1082,8 +1051,7 @@ GtkTextView {
   border-radius: 0;
   border-right-style: none; }
 
-.linked:not(.vertical) > .entry:first-child, .osd .button:first-child:hover, .osd .button:first-child:active, .osd .button:first-child:checked, .osd .button:first-child:insensitive, .osd .button:first-child:backdrop, .osd .button.suggested-action:first-child, .osd .button.destructive-action:first-child, .inline-toolbar .button:first-child, .linked > .button:first-child, .header-bar .linked > .button.titlebutton:first-child,
-.titlebar .linked > .button.titlebutton:first-child, .inline-toolbar.toolbar GtkToolButton:first-child > .button.flat, .inline-toolbar GtkToolButton:first-child > .button.flat, .inline-toolbar.search-bar GtkToolButton:first-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:first-child > .button.flat, .inline-toolbar.toolbar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar.search-bar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar.location-bar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar .header-bar GtkToolButton:first-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:first-child > .button.titlebutton,
+.linked:not(.vertical) > .entry:first-child, .osd .button:first-child:hover, .osd .button:first-child:active, .osd .button:first-child:checked, .osd .button:first-child:insensitive, .osd .button:first-child:backdrop, .osd .button.suggested-action:first-child, .osd .button.destructive-action:first-child, .inline-toolbar .button:first-child, .linked > .button:first-child, .inline-toolbar.toolbar GtkToolButton:first-child > .button.flat, .inline-toolbar GtkToolButton:first-child > .button.flat, .inline-toolbar.search-bar GtkToolButton:first-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:first-child > .button.flat, .inline-toolbar.toolbar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar.search-bar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar.location-bar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar .header-bar GtkToolButton:first-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:first-child > .button.titlebutton,
 .inline-toolbar .titlebar GtkToolButton:first-child > .button.titlebutton,
 .titlebar .inline-toolbar GtkToolButton:first-child > .button.titlebutton,
 .inline-toolbar.toolbar GtkToolButton:backdrop:first-child > .button.flat,
@@ -1101,8 +1069,7 @@ GtkTextView {
 .linked > GtkComboBoxText:first-child > .button {
   border-top-left-radius: 3px;
   border-bottom-left-radius: 3px; }
-.linked:not(.vertical) > .entry:last-child, .osd .button:last-child:hover, .osd .button:last-child:active, .osd .button:last-child:checked, .osd .button:last-child:insensitive, .osd .button:last-child:backdrop, .osd .button.suggested-action:last-child, .osd .button.destructive-action:last-child, .inline-toolbar .button:last-child, .linked > .button:last-child, .header-bar .linked > .button.titlebutton:last-child,
-.titlebar .linked > .button.titlebutton:last-child, .inline-toolbar.toolbar GtkToolButton:last-child > .button.flat, .inline-toolbar GtkToolButton:last-child > .button.flat, .inline-toolbar.search-bar GtkToolButton:last-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:last-child > .button.flat, .inline-toolbar.toolbar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar.search-bar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar.location-bar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar .header-bar GtkToolButton:last-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:last-child > .button.titlebutton,
+.linked:not(.vertical) > .entry:last-child, .osd .button:last-child:hover, .osd .button:last-child:active, .osd .button:last-child:checked, .osd .button:last-child:insensitive, .osd .button:last-child:backdrop, .osd .button.suggested-action:last-child, .osd .button.destructive-action:last-child, .inline-toolbar .button:last-child, .linked > .button:last-child, .inline-toolbar.toolbar GtkToolButton:last-child > .button.flat, .inline-toolbar GtkToolButton:last-child > .button.flat, .inline-toolbar.search-bar GtkToolButton:last-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:last-child > .button.flat, .inline-toolbar.toolbar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar.search-bar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar.location-bar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar .header-bar GtkToolButton:last-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:last-child > .button.titlebutton,
 .inline-toolbar .titlebar GtkToolButton:last-child > .button.titlebutton,
 .titlebar .inline-toolbar GtkToolButton:last-child > .button.titlebutton,
 .inline-toolbar.toolbar GtkToolButton:backdrop:last-child > .button.flat,
@@ -1121,8 +1088,7 @@ GtkTextView {
   border-top-right-radius: 3px;
   border-bottom-right-radius: 3px;
   border-right-style: solid; }
-.linked:not(.vertical) > .entry:only-child, .osd .button:only-child:hover, .osd .button:only-child:active, .osd .button:only-child:checked, .osd .button:only-child:insensitive, .osd .button:only-child:backdrop, .osd .button.suggested-action:only-child, .osd .button.destructive-action:only-child, .inline-toolbar .button:only-child, .linked > .button:only-child, .header-bar .linked > .button.titlebutton:only-child,
-.titlebar .linked > .button.titlebutton:only-child, .inline-toolbar.toolbar GtkToolButton:only-child > .button.flat, .inline-toolbar GtkToolButton:only-child > .button.flat, .inline-toolbar.search-bar GtkToolButton:only-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:only-child > .button.flat, .inline-toolbar.toolbar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar.search-bar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar.location-bar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar .header-bar GtkToolButton:only-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:only-child > .button.titlebutton,
+.linked:not(.vertical) > .entry:only-child, .osd .button:only-child:hover, .osd .button:only-child:active, .osd .button:only-child:checked, .osd .button:only-child:insensitive, .osd .button:only-child:backdrop, .osd .button.suggested-action:only-child, .osd .button.destructive-action:only-child, .inline-toolbar .button:only-child, .linked > .button:only-child, .inline-toolbar.toolbar GtkToolButton:only-child > .button.flat, .inline-toolbar GtkToolButton:only-child > .button.flat, .inline-toolbar.search-bar GtkToolButton:only-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:only-child > .button.flat, .inline-toolbar.toolbar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar.search-bar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar.location-bar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar .header-bar GtkToolButton:only-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:only-child > .button.titlebutton,
 .inline-toolbar .titlebar GtkToolButton:only-child > .button.titlebutton,
 .titlebar .inline-toolbar GtkToolButton:only-child > .button.titlebutton,
 .inline-toolbar.toolbar GtkToolButton:backdrop:only-child > .button.flat,
@@ -1141,25 +1107,21 @@ GtkTextView {
   border-radius: 3px;
   border-style: solid; }
 
-.linked.vertical > .entry, .linked.vertical > .button, .header-bar .linked.vertical > .button.titlebutton,
-.titlebar .linked.vertical > .button.titlebutton, .linked.vertical > .button:hover, .linked.vertical > .button:active, .linked.vertical > .button:checked, .linked.vertical > .button:backdrop, .linked.vertical > GtkComboBoxText > .button,
+.linked.vertical > .entry, .linked.vertical > .button, .linked.vertical > .button:hover, .linked.vertical > .button:active, .linked.vertical > .button:checked, .linked.vertical > .button:backdrop, .linked.vertical > GtkComboBoxText > .button,
 .linked.vertical > GtkComboBox > .button {
   border-style: solid solid none solid;
   border-radius: 0; }
 
-.linked.vertical > .entry:first-child, .linked.vertical > .button:first-child, .header-bar .linked.vertical > .button.titlebutton:first-child,
-.titlebar .linked.vertical > .button.titlebutton:first-child, .linked.vertical > GtkComboBoxText:first-child > .button,
+.linked.vertical > .entry:first-child, .linked.vertical > .button:first-child, .linked.vertical > GtkComboBoxText:first-child > .button,
 .linked.vertical > GtkComboBox:first-child > .button {
   border-top-left-radius: 3px;
   border-top-right-radius: 3px; }
-.linked.vertical > .entry:last-child, .linked.vertical > .button:last-child, .header-bar .linked.vertical > .button.titlebutton:last-child,
-.titlebar .linked.vertical > .button.titlebutton:last-child, .linked.vertical > GtkComboBoxText:last-child > .button,
+.linked.vertical > .entry:last-child, .linked.vertical > .button:last-child, .linked.vertical > GtkComboBoxText:last-child > .button,
 .linked.vertical > GtkComboBox:last-child > .button {
   border-bottom-left-radius: 3px;
   border-bottom-right-radius: 3px;
   border-style: solid; }
-.linked.vertical > .entry:only-child, .linked.vertical > .button:only-child, .header-bar .linked.vertical > .button.titlebutton:only-child,
-.titlebar .linked.vertical > .button.titlebutton:only-child, .linked.vertical > GtkComboBoxText:only-child > .button,
+.linked.vertical > .entry:only-child, .linked.vertical > .button:only-child, .linked.vertical > GtkComboBoxText:only-child > .button,
 .linked.vertical > GtkComboBox:only-child > .button {
   border-radius: 3px;
   border-style: solid; }
@@ -1396,9 +1358,7 @@ GtkColorButton.button, .header-bar GtkColorButton.button.titlebutton,
       text-shadow: none;
       icon-shadow: none;
       box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-      .spinbutton.vertical .button:first-child:insensitive > .label, .spinbutton.vertical .header-bar .button.titlebutton:first-child:insensitive > .label,
-      .spinbutton.vertical .titlebar .button.titlebutton:first-child:insensitive > .label, .spinbutton.vertical:dir(rtl) .button:first-child:insensitive > .label, .spinbutton.vertical:dir(rtl) .header-bar .button.titlebutton:first-child:insensitive > .label,
-      .spinbutton.vertical:dir(rtl) .titlebar .button.titlebutton:first-child:insensitive > .label {
+      .spinbutton.vertical .button:first-child:insensitive > .label, .spinbutton.vertical:dir(rtl) .button:first-child:insensitive > .label {
         color: inherit; }
     .spinbutton.vertical .button:first-child:backdrop, .spinbutton.vertical:dir(rtl) .button:first-child:backdrop {
       color: #939695;
@@ -1438,9 +1398,7 @@ GtkColorButton.button, .header-bar GtkColorButton.button.titlebutton,
       text-shadow: none;
       icon-shadow: none;
       box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0.1); }
-      .spinbutton.vertical .button:last-child:insensitive > .label, .spinbutton.vertical .header-bar .button.titlebutton:last-child:insensitive > .label,
-      .spinbutton.vertical .titlebar .button.titlebutton:last-child:insensitive > .label, .spinbutton.vertical:dir(rtl) .button:last-child:insensitive > .label, .spinbutton.vertical:dir(rtl) .header-bar .button.titlebutton:last-child:insensitive > .label,
-      .spinbutton.vertical:dir(rtl) .titlebar .button.titlebutton:last-child:insensitive > .label {
+      .spinbutton.vertical .button:last-child:insensitive > .label, .spinbutton.vertical:dir(rtl) .button:last-child:insensitive > .label {
         color: inherit; }
     .spinbutton.vertical .button:last-child:backdrop, .spinbutton.vertical:dir(rtl) .button:last-child:backdrop {
       color: #939695;
@@ -1456,9 +1414,7 @@ GtkColorButton.button, .header-bar GtkColorButton.button.titlebutton,
     text-shadow: none;
     icon-shadow: none;
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(238, 238, 236, 0); }
-    .spinbutton.vertical .button:backdrop:insensitive > .label, .spinbutton.vertical .header-bar .button.titlebutton:backdrop:insensitive > .label,
-    .spinbutton.vertical .titlebar .button.titlebutton:backdrop:insensitive > .label, .spinbutton.vertical:dir(rtl) .button:backdrop:insensitive > .label, .spinbutton.vertical:dir(rtl) .header-bar .button.titlebutton:backdrop:insensitive > .label,
-    .spinbutton.vertical:dir(rtl) .titlebar .button.titlebutton:backdrop:insensitive > .label {
+    .spinbutton.vertical .button:backdrop:insensitive > .label, .spinbutton.vertical:dir(rtl) .button:backdrop:insensitive > .label {
       color: inherit; }
 .spinbutton.vertical.entry, .spinbutton.vertical:dir(rtl).entry {
   border-radius: 0;
@@ -1684,14 +1640,12 @@ GtkComboBox {
           icon-shadow: none;
           box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(43, 100, 160, 0);
           border-color: #0f2b48; }
-          .titlebar.selection-mode .button:backdrop:insensitive > .label, .titlebar.selection-mode .header-bar .button.titlebutton:backdrop:insensitive > .label, .titlebar.selection-mode .button.flat:backdrop:insensitive > .label, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive > .label, .titlebar.selection-mode .header-bar .titlebutton.button:backdrop:insensitive > .label,
+          .titlebar.selection-mode .button:backdrop:insensitive > .label, .titlebar.selection-mode .button.flat:backdrop:insensitive > .label, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive > .label,
           .titlebar.selection-mode .titlebutton.button:backdrop:insensitive > .label,
           .header-bar.selection-mode .button:backdrop:insensitive > .label,
-          .header-bar.selection-mode .titlebar .button.titlebutton:backdrop:insensitive > .label,
           .header-bar.selection-mode .button.flat:backdrop:insensitive > .label,
           .header-bar.selection-mode .sidebar-button.button:backdrop:insensitive > .label,
-          .header-bar.selection-mode .titlebutton.button:backdrop:insensitive > .label,
-          .header-bar.selection-mode .titlebar .titlebutton.button:backdrop:insensitive > .label {
+          .header-bar.selection-mode .titlebutton.button:backdrop:insensitive > .label {
             color: inherit; }
         .titlebar.selection-mode .button:backdrop:insensitive:active, .titlebar.selection-mode .button:backdrop:insensitive:checked, .titlebar.selection-mode .button.flat:backdrop:insensitive:active, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive:active,
         .titlebar.selection-mode .titlebutton.button:backdrop:insensitive:active, .titlebar.selection-mode .button.flat:backdrop:insensitive:checked, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive:checked,
@@ -1709,21 +1663,17 @@ GtkComboBox {
           background-image: linear-gradient(to bottom, #1d4876);
           box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(43, 100, 160, 0);
           border-color: #0f2b48; }
-          .titlebar.selection-mode .button:backdrop:insensitive:active > .label, .titlebar.selection-mode .header-bar .button.titlebutton:backdrop:insensitive:active > .label, .titlebar.selection-mode .button:backdrop:insensitive:checked > .label, .titlebar.selection-mode .header-bar .button.titlebutton:backdrop:insensitive:checked > .label, .titlebar.selection-mode .button.flat:backdrop:insensitive:active > .label, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive:active > .label, .titlebar.selection-mode .header-bar .titlebutton.button:backdrop:insensitive:active > .label,
-          .titlebar.selection-mode .titlebutton.button:backdrop:insensitive:active > .label, .titlebar.selection-mode .button.flat:backdrop:insensitive:checked > .label, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive:checked > .label, .titlebar.selection-mode .header-bar .titlebutton.button:backdrop:insensitive:checked > .label,
+          .titlebar.selection-mode .button:backdrop:insensitive:active > .label, .titlebar.selection-mode .button:backdrop:insensitive:checked > .label, .titlebar.selection-mode .button.flat:backdrop:insensitive:active > .label, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive:active > .label,
+          .titlebar.selection-mode .titlebutton.button:backdrop:insensitive:active > .label, .titlebar.selection-mode .button.flat:backdrop:insensitive:checked > .label, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive:checked > .label,
           .titlebar.selection-mode .titlebutton.button:backdrop:insensitive:checked > .label,
           .header-bar.selection-mode .button:backdrop:insensitive:active > .label,
-          .header-bar.selection-mode .titlebar .button.titlebutton:backdrop:insensitive:active > .label,
           .header-bar.selection-mode .button:backdrop:insensitive:checked > .label,
-          .header-bar.selection-mode .titlebar .button.titlebutton:backdrop:insensitive:checked > .label,
           .header-bar.selection-mode .button.flat:backdrop:insensitive:active > .label,
           .header-bar.selection-mode .sidebar-button.button:backdrop:insensitive:active > .label,
           .header-bar.selection-mode .titlebutton.button:backdrop:insensitive:active > .label,
-          .header-bar.selection-mode .titlebar .titlebutton.button:backdrop:insensitive:active > .label,
           .header-bar.selection-mode .button.flat:backdrop:insensitive:checked > .label,
           .header-bar.selection-mode .sidebar-button.button:backdrop:insensitive:checked > .label,
-          .header-bar.selection-mode .titlebutton.button:backdrop:insensitive:checked > .label,
-          .header-bar.selection-mode .titlebar .titlebutton.button:backdrop:insensitive:checked > .label {
+          .header-bar.selection-mode .titlebutton.button:backdrop:insensitive:checked > .label {
             color: inherit; }
       .titlebar.selection-mode .button.flat:backdrop, .titlebar.selection-mode .sidebar-button.button:backdrop,
       .titlebar.selection-mode .titlebutton.button:backdrop, .titlebar.selection-mode .button.flat:insensitive, .titlebar.selection-mode .sidebar-button.button:insensitive,
@@ -1752,9 +1702,8 @@ GtkComboBox {
         text-shadow: none;
         icon-shadow: none;
         box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(43, 100, 160, 0.55); }
-        .titlebar.selection-mode .button:insensitive > .label, .titlebar.selection-mode .header-bar .button.titlebutton:insensitive > .label,
-        .header-bar.selection-mode .button:insensitive > .label,
-        .header-bar.selection-mode .titlebar .button.titlebutton:insensitive > .label {
+        .titlebar.selection-mode .button:insensitive > .label,
+        .header-bar.selection-mode .button:insensitive > .label {
           color: inherit; }
         .titlebar.selection-mode .button:insensitive:active, .titlebar.selection-mode .button:insensitive:checked,
         .header-bar.selection-mode .button:insensitive:active,
@@ -1763,11 +1712,9 @@ GtkComboBox {
           border-color: #0b1e33;
           background-image: linear-gradient(to bottom, #1b436f, #1d4876);
           box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(43, 100, 160, 0.55); }
-          .titlebar.selection-mode .button:insensitive:active > .label, .titlebar.selection-mode .header-bar .button.titlebutton:insensitive:active > .label, .titlebar.selection-mode .button:insensitive:checked > .label, .titlebar.selection-mode .header-bar .button.titlebutton:insensitive:checked > .label,
+          .titlebar.selection-mode .button:insensitive:active > .label, .titlebar.selection-mode .button:insensitive:checked > .label,
           .header-bar.selection-mode .button:insensitive:active > .label,
-          .header-bar.selection-mode .titlebar .button.titlebutton:insensitive:active > .label,
-          .header-bar.selection-mode .button:insensitive:checked > .label,
-          .header-bar.selection-mode .titlebar .button.titlebutton:insensitive:checked > .label {
+          .header-bar.selection-mode .button:insensitive:checked > .label {
             color: inherit; }
       .titlebar.selection-mode .button.suggested-action,
       .header-bar.selection-mode .button.suggested-action {
@@ -1808,9 +1755,8 @@ GtkComboBox {
           icon-shadow: none;
           box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(43, 100, 160, 0.55);
           border-color: #0f2b48; }
-          .titlebar.selection-mode .button.suggested-action:insensitive > .label, .titlebar.selection-mode .header-bar .suggested-action.button.titlebutton:insensitive > .label,
-          .header-bar.selection-mode .button.suggested-action:insensitive > .label,
-          .header-bar.selection-mode .titlebar .suggested-action.button.titlebutton:insensitive > .label {
+          .titlebar.selection-mode .button.suggested-action:insensitive > .label,
+          .header-bar.selection-mode .button.suggested-action:insensitive > .label {
             color: inherit; }
         .titlebar.selection-mode .button.suggested-action:backdrop,
         .header-bar.selection-mode .button.suggested-action:backdrop {
@@ -1830,9 +1776,8 @@ GtkComboBox {
           icon-shadow: none;
           box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(43, 100, 160, 0);
           border-color: #0f2b48; }
-          .titlebar.selection-mode .button.suggested-action:backdrop:insensitive > .label, .titlebar.selection-mode .header-bar .suggested-action.button.titlebutton:backdrop:insensitive > .label,
-          .header-bar.selection-mode .button.suggested-action:backdrop:insensitive > .label,
-          .header-bar.selection-mode .titlebar .suggested-action.button.titlebutton:backdrop:insensitive > .label {
+          .titlebar.selection-mode .button.suggested-action:backdrop:insensitive > .label,
+          .header-bar.selection-mode .button.suggested-action:backdrop:insensitive > .label {
             color: inherit; }
     .titlebar.selection-mode .selection-menu, .titlebar.selection-mode .selection-menu:backdrop,
     .header-bar.selection-mode .selection-menu,
@@ -3575,8 +3520,7 @@ GtkScrolledWindow GtkViewport.frame {
       text-shadow: none;
       icon-shadow: none;
       box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-      .list-row:selected .button:backdrop:insensitive > .label, .list-row:selected .header-bar .button.titlebutton:backdrop:insensitive > .label,
-      .list-row:selected .titlebar .button.titlebutton:backdrop:insensitive > .label, .list-row:selected .button.flat:backdrop:insensitive > .label, .list-row:selected .sidebar-button.button:backdrop:insensitive > .label, .list-row:selected .header-bar .titlebutton.button:backdrop:insensitive > .label, .header-bar .list-row:selected .titlebutton.button:backdrop:insensitive > .label,
+      .list-row:selected .button:backdrop:insensitive > .label, .list-row:selected .button.flat:backdrop:insensitive > .label, .list-row:selected .sidebar-button.button:backdrop:insensitive > .label, .list-row:selected .header-bar .titlebutton.button:backdrop:insensitive > .label, .header-bar .list-row:selected .titlebutton.button:backdrop:insensitive > .label,
       .list-row:selected .titlebar .titlebutton.button:backdrop:insensitive > .label,
       .titlebar .list-row:selected .titlebutton.button:backdrop:insensitive > .label {
         color: inherit; }
@@ -3589,9 +3533,7 @@ GtkScrolledWindow GtkViewport.frame {
         border-color: #1e2222;
         background-image: linear-gradient(to bottom, #262929);
         box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-        .list-row:selected .button:backdrop:insensitive:active > .label, .list-row:selected .header-bar .button.titlebutton:backdrop:insensitive:active > .label,
-        .list-row:selected .titlebar .button.titlebutton:backdrop:insensitive:active > .label, .list-row:selected .button:backdrop:insensitive:checked > .label, .list-row:selected .header-bar .button.titlebutton:backdrop:insensitive:checked > .label,
-        .list-row:selected .titlebar .button.titlebutton:backdrop:insensitive:checked > .label, .list-row:selected .button.flat:backdrop:insensitive:active > .label, .list-row:selected .sidebar-button.button:backdrop:insensitive:active > .label, .list-row:selected .header-bar .titlebutton.button:backdrop:insensitive:active > .label, .header-bar .list-row:selected .titlebutton.button:backdrop:insensitive:active > .label,
+        .list-row:selected .button:backdrop:insensitive:active > .label, .list-row:selected .button:backdrop:insensitive:checked > .label, .list-row:selected .button.flat:backdrop:insensitive:active > .label, .list-row:selected .sidebar-button.button:backdrop:insensitive:active > .label, .list-row:selected .header-bar .titlebutton.button:backdrop:insensitive:active > .label, .header-bar .list-row:selected .titlebutton.button:backdrop:insensitive:active > .label,
         .list-row:selected .titlebar .titlebutton.button:backdrop:insensitive:active > .label,
         .titlebar .list-row:selected .titlebutton.button:backdrop:insensitive:active > .label, .list-row:selected .button.flat:backdrop:insensitive:checked > .label, .list-row:selected .sidebar-button.button:backdrop:insensitive:checked > .label, .list-row:selected .header-bar .titlebutton.button:backdrop:insensitive:checked > .label, .header-bar .list-row:selected .titlebutton.button:backdrop:insensitive:checked > .label,
         .list-row:selected .titlebar .titlebutton.button:backdrop:insensitive:checked > .label,
@@ -3614,24 +3556,19 @@ GtkScrolledWindow GtkViewport.frame {
     text-shadow: none;
     icon-shadow: none;
     box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-    .list-row:selected .button:insensitive > .label, .list-row:selected .header-bar .button.titlebutton:insensitive > .label,
-    .list-row:selected .titlebar .button.titlebutton:insensitive > .label {
+    .list-row:selected .button:insensitive > .label {
       color: inherit; }
     .list-row:selected .button:insensitive:active, .list-row:selected .button:insensitive:checked {
       color: #939695;
       border-color: #1c1f1f;
       background-image: linear-gradient(to bottom, #2f3333, #323636);
       box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-      .list-row:selected .button:insensitive:active > .label, .list-row:selected .header-bar .button.titlebutton:insensitive:active > .label,
-      .list-row:selected .titlebar .button.titlebutton:insensitive:active > .label, .list-row:selected .button:insensitive:checked > .label, .list-row:selected .header-bar .button.titlebutton:insensitive:checked > .label,
-      .list-row:selected .titlebar .button.titlebutton:insensitive:checked > .label {
+      .list-row:selected .button:insensitive:active > .label, .list-row:selected .button:insensitive:checked > .label {
         color: inherit; }
 
-.list-row, list-row.button, .header-bar list-row.button.titlebutton,
-.titlebar list-row.button.titlebutton {
+.list-row {
   transition: all 150ms cubic-bezier(0.25, 0.46, 0.45, 0.94); }
-  .list-row:hover, list-row.button:hover, .header-bar list-row.button.titlebutton:hover,
-  .titlebar list-row.button.titlebutton:hover {
+  .list-row:hover {
     transition: none; }
 
 /*********************
@@ -3758,180 +3695,172 @@ GtkCalendar {
 .message-dialog .dialog-action-area .button {
   padding: 8px; }
 
-.message-dialog {
-  -GtkDialog-button-spacing: 0; }
-  .message-dialog .titlebar {
-    border-style: none;
-    box-shadow: inset 0 1px rgba(238, 238, 236, 0.1); }
-  .message-dialog.csd.background {
-    border-bottom-left-radius: 9px;
-    border-bottom-right-radius: 9px; }
-  .message-dialog.csd .dialog-action-area .button {
-    padding: 12px;
-    border-radius: 0;
+.message-dialog .titlebar {
+  border-style: none;
+  box-shadow: inset 0 1px rgba(238, 238, 236, 0.1); }
+.message-dialog.csd.background {
+  border-bottom-left-radius: 9px;
+  border-bottom-right-radius: 9px; }
+.message-dialog.csd .dialog-action-area .button {
+  padding: 12px;
+  border-radius: 0;
+  color: #eeeeec;
+  outline-color: rgba(238, 238, 236, 0.3);
+  border-color: #1c1f1f;
+  background-image: linear-gradient(to bottom, #454c4c, #393f3f 40%, #2d3232);
+  text-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
+  icon-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
+  box-shadow: inset 0 1px rgba(255, 255, 255, 0.1); }
+  .message-dialog.csd .dialog-action-area .button:hover {
     color: #eeeeec;
     outline-color: rgba(238, 238, 236, 0.3);
     border-color: #1c1f1f;
-    background-image: linear-gradient(to bottom, #454c4c, #393f3f 40%, #2d3232);
-    text-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
-    icon-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
+    background-image: linear-gradient(to bottom, #5b6464, #434a4a 40%, #393f3f);
+    text-shadow: 0 -1px rgba(0, 0, 0, 0.77976);
+    icon-shadow: 0 -1px rgba(0, 0, 0, 0.77976);
     box-shadow: inset 0 1px rgba(255, 255, 255, 0.1); }
-    .message-dialog.csd .dialog-action-area .button:hover {
-      color: #eeeeec;
-      outline-color: rgba(238, 238, 236, 0.3);
-      border-color: #1c1f1f;
-      background-image: linear-gradient(to bottom, #5b6464, #434a4a 40%, #393f3f);
-      text-shadow: 0 -1px rgba(0, 0, 0, 0.77976);
-      icon-shadow: 0 -1px rgba(0, 0, 0, 0.77976);
-      box-shadow: inset 0 1px rgba(255, 255, 255, 0.1); }
-    .message-dialog.csd .dialog-action-area .button:active {
-      color: #eeeeec;
-      outline-color: rgba(238, 238, 236, 0.3);
-      border-color: #1c1f1f;
-      background-image: linear-gradient(to bottom, #232727, #292d2d 40%, #2d3232);
-      text-shadow: 0 -1px rgba(0, 0, 0, 0.89176);
-      icon-shadow: 0 -1px rgba(0, 0, 0, 0.89176);
-      box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6); }
-    .message-dialog.csd .dialog-action-area .button:insensitive {
-      color: #939695;
-      border-color: #1c1f1f;
-      background-image: linear-gradient(to bottom, #323636);
-      text-shadow: none;
-      icon-shadow: none;
-      box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-      .message-dialog.csd .dialog-action-area .button:insensitive > .label, .message-dialog.csd .dialog-action-area .header-bar .button.titlebutton:insensitive > .label,
-      .message-dialog.csd .dialog-action-area .titlebar .button.titlebutton:insensitive > .label {
-        color: inherit; }
-    .message-dialog.csd .dialog-action-area .button:backdrop {
-      color: #939695;
-      border-color: #1e2222;
-      background-image: linear-gradient(to bottom, #393f3f);
-      text-shadow: none;
-      icon-shadow: none;
-      box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-    .message-dialog.csd .dialog-action-area .button:backdrop:insensitive {
-      color: #5d6767;
-      border-color: #1e2222;
-      background-image: linear-gradient(to bottom, #323636);
-      text-shadow: none;
-      icon-shadow: none;
-      box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-      .message-dialog.csd .dialog-action-area .button:backdrop:insensitive > .label, .message-dialog.csd .dialog-action-area .header-bar .button.titlebutton:backdrop:insensitive > .label,
-      .message-dialog.csd .dialog-action-area .titlebar .button.titlebutton:backdrop:insensitive > .label {
-        color: inherit; }
-    .message-dialog.csd .dialog-action-area .button.suggested-action {
+  .message-dialog.csd .dialog-action-area .button:active {
+    color: #eeeeec;
+    outline-color: rgba(238, 238, 236, 0.3);
+    border-color: #1c1f1f;
+    background-image: linear-gradient(to bottom, #232727, #292d2d 40%, #2d3232);
+    text-shadow: 0 -1px rgba(0, 0, 0, 0.89176);
+    icon-shadow: 0 -1px rgba(0, 0, 0, 0.89176);
+    box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6); }
+  .message-dialog.csd .dialog-action-area .button:insensitive {
+    color: #939695;
+    border-color: #1c1f1f;
+    background-image: linear-gradient(to bottom, #323636);
+    text-shadow: none;
+    icon-shadow: none;
+    box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+    .message-dialog.csd .dialog-action-area .button:insensitive > .label {
+      color: inherit; }
+  .message-dialog.csd .dialog-action-area .button:backdrop {
+    color: #939695;
+    border-color: #1e2222;
+    background-image: linear-gradient(to bottom, #393f3f);
+    text-shadow: none;
+    icon-shadow: none;
+    box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+  .message-dialog.csd .dialog-action-area .button:backdrop:insensitive {
+    color: #5d6767;
+    border-color: #1e2222;
+    background-image: linear-gradient(to bottom, #323636);
+    text-shadow: none;
+    icon-shadow: none;
+    box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+    .message-dialog.csd .dialog-action-area .button:backdrop:insensitive > .label {
+      color: inherit; }
+  .message-dialog.csd .dialog-action-area .button.suggested-action {
+    color: white;
+    outline-color: rgba(255, 255, 255, 0.3);
+    border-color: #0b1e33;
+    background-image: linear-gradient(to bottom, #256ab1, #215d9c 40%, #1c5187);
+    text-shadow: 0 -1px rgba(0, 0, 0, 0.70353);
+    icon-shadow: 0 -1px rgba(0, 0, 0, 0.70353);
+    box-shadow: inset 0 1px rgba(255, 255, 255, 0.1); }
+    .message-dialog.csd .dialog-action-area .button.suggested-action:hover {
       color: white;
       outline-color: rgba(255, 255, 255, 0.3);
       border-color: #0b1e33;
-      background-image: linear-gradient(to bottom, #256ab1, #215d9c 40%, #1c5187);
-      text-shadow: 0 -1px rgba(0, 0, 0, 0.70353);
-      icon-shadow: 0 -1px rgba(0, 0, 0, 0.70353);
+      background-image: linear-gradient(to bottom, #3180d4, #2467ad 40%, #215d9c);
+      text-shadow: 0 -1px rgba(0, 0, 0, 0.67153);
+      icon-shadow: 0 -1px rgba(0, 0, 0, 0.67153);
       box-shadow: inset 0 1px rgba(255, 255, 255, 0.1); }
-      .message-dialog.csd .dialog-action-area .button.suggested-action:hover {
-        color: white;
-        outline-color: rgba(255, 255, 255, 0.3);
-        border-color: #0b1e33;
-        background-image: linear-gradient(to bottom, #3180d4, #2467ad 40%, #215d9c);
-        text-shadow: 0 -1px rgba(0, 0, 0, 0.67153);
-        icon-shadow: 0 -1px rgba(0, 0, 0, 0.67153);
-        box-shadow: inset 0 1px rgba(255, 255, 255, 0.1); }
-      .message-dialog.csd .dialog-action-area .button.suggested-action:active {
-        color: white;
-        outline-color: rgba(255, 255, 255, 0.3);
-        border-color: #0b1e33;
-        background-image: linear-gradient(to bottom, #194776, #1b4d80 40%, #1c5187);
-        text-shadow: 0 -1px rgba(0, 0, 0, 0.78353);
-        icon-shadow: 0 -1px rgba(0, 0, 0, 0.78353);
-        box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6); }
-      .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop {
-        color: #d2deeb;
-        border-color: #0b1e33;
-        background-image: linear-gradient(to bottom, #215d9c);
-        text-shadow: none;
-        icon-shadow: none;
-        box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-        .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop:insensitive {
-          color: #5d6767;
-          border-color: #1e2222;
-          background-image: linear-gradient(to bottom, #323636);
-          text-shadow: none;
-          icon-shadow: none;
-          box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-          .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop:insensitive > .label, .message-dialog.csd .dialog-action-area .header-bar .suggested-action.button.titlebutton:backdrop:insensitive > .label,
-          .message-dialog.csd .dialog-action-area .titlebar .suggested-action.button.titlebutton:backdrop:insensitive > .label {
-            color: inherit; }
-      .message-dialog.csd .dialog-action-area .button.suggested-action:insensitive {
-        color: #939695;
-        border-color: #1c1f1f;
+    .message-dialog.csd .dialog-action-area .button.suggested-action:active {
+      color: white;
+      outline-color: rgba(255, 255, 255, 0.3);
+      border-color: #0b1e33;
+      background-image: linear-gradient(to bottom, #194776, #1b4d80 40%, #1c5187);
+      text-shadow: 0 -1px rgba(0, 0, 0, 0.78353);
+      icon-shadow: 0 -1px rgba(0, 0, 0, 0.78353);
+      box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6); }
+    .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop {
+      color: #d2deeb;
+      border-color: #0b1e33;
+      background-image: linear-gradient(to bottom, #215d9c);
+      text-shadow: none;
+      icon-shadow: none;
+      box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+      .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop:insensitive {
+        color: #5d6767;
+        border-color: #1e2222;
         background-image: linear-gradient(to bottom, #323636);
         text-shadow: none;
         icon-shadow: none;
         box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-        .message-dialog.csd .dialog-action-area .button.suggested-action:insensitive > .label, .message-dialog.csd .dialog-action-area .header-bar .suggested-action.button.titlebutton:insensitive > .label,
-        .message-dialog.csd .dialog-action-area .titlebar .suggested-action.button.titlebutton:insensitive > .label {
+        .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop:insensitive > .label {
           color: inherit; }
-    .message-dialog.csd .dialog-action-area .button.destructive-action {
+    .message-dialog.csd .dialog-action-area .button.suggested-action:insensitive {
+      color: #939695;
+      border-color: #1c1f1f;
+      background-image: linear-gradient(to bottom, #323636);
+      text-shadow: none;
+      icon-shadow: none;
+      box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+      .message-dialog.csd .dialog-action-area .button.suggested-action:insensitive > .label {
+        color: inherit; }
+  .message-dialog.csd .dialog-action-area .button.destructive-action {
+    color: white;
+    outline-color: rgba(255, 255, 255, 0.3);
+    border-color: #5e0707;
+    background-image: linear-gradient(to bottom, #ed1212, #d51010 40%, #bd0e0e);
+    text-shadow: 0 -1px rgba(0, 0, 0, 0.64078);
+    icon-shadow: 0 -1px rgba(0, 0, 0, 0.64078);
+    box-shadow: inset 0 1px rgba(255, 255, 255, 0.3); }
+    .message-dialog.csd .dialog-action-area .button.destructive-action:hover {
       color: white;
       outline-color: rgba(255, 255, 255, 0.3);
       border-color: #5e0707;
-      background-image: linear-gradient(to bottom, #ed1212, #d51010 40%, #bd0e0e);
-      text-shadow: 0 -1px rgba(0, 0, 0, 0.64078);
-      icon-shadow: 0 -1px rgba(0, 0, 0, 0.64078);
+      background-image: linear-gradient(to bottom, #f03c3c, #e81111 40%, #d51010);
+      text-shadow: 0 -1px rgba(0, 0, 0, 0.60878);
+      icon-shadow: 0 -1px rgba(0, 0, 0, 0.60878);
       box-shadow: inset 0 1px rgba(255, 255, 255, 0.3); }
-      .message-dialog.csd .dialog-action-area .button.destructive-action:hover {
-        color: white;
-        outline-color: rgba(255, 255, 255, 0.3);
-        border-color: #5e0707;
-        background-image: linear-gradient(to bottom, #f03c3c, #e81111 40%, #d51010);
-        text-shadow: 0 -1px rgba(0, 0, 0, 0.60878);
-        icon-shadow: 0 -1px rgba(0, 0, 0, 0.60878);
-        box-shadow: inset 0 1px rgba(255, 255, 255, 0.3); }
-      .message-dialog.csd .dialog-action-area .button.destructive-action:active {
-        color: white;
-        outline-color: rgba(255, 255, 255, 0.3);
-        border-color: #5e0707;
-        background-image: linear-gradient(to bottom, #aa0d0d, #b60e0e 40%, #bd0e0e);
-        text-shadow: 0 -1px rgba(0, 0, 0, 0.72078);
-        icon-shadow: 0 -1px rgba(0, 0, 0, 0.72078);
-        box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6); }
-      .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop {
-        color: #f6cfcf;
-        border-color: #5e0707;
-        background-image: linear-gradient(to bottom, #d51010);
-        text-shadow: none;
-        icon-shadow: none;
-        box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-        .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop:insensitive {
-          color: #5d6767;
-          border-color: #1e2222;
-          background-image: linear-gradient(to bottom, #323636);
-          text-shadow: none;
-          icon-shadow: none;
-          box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-          .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop:insensitive > .label, .message-dialog.csd .dialog-action-area .header-bar .destructive-action.button.titlebutton:backdrop:insensitive > .label,
-          .message-dialog.csd .dialog-action-area .titlebar .destructive-action.button.titlebutton:backdrop:insensitive > .label {
-            color: inherit; }
-      .message-dialog.csd .dialog-action-area .button.destructive-action:insensitive {
-        color: #939695;
-        border-color: #1c1f1f;
+    .message-dialog.csd .dialog-action-area .button.destructive-action:active {
+      color: white;
+      outline-color: rgba(255, 255, 255, 0.3);
+      border-color: #5e0707;
+      background-image: linear-gradient(to bottom, #aa0d0d, #b60e0e 40%, #bd0e0e);
+      text-shadow: 0 -1px rgba(0, 0, 0, 0.72078);
+      icon-shadow: 0 -1px rgba(0, 0, 0, 0.72078);
+      box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6); }
+    .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop {
+      color: #f6cfcf;
+      border-color: #5e0707;
+      background-image: linear-gradient(to bottom, #d51010);
+      text-shadow: none;
+      icon-shadow: none;
+      box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+      .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop:insensitive {
+        color: #5d6767;
+        border-color: #1e2222;
         background-image: linear-gradient(to bottom, #323636);
         text-shadow: none;
         icon-shadow: none;
         box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-        .message-dialog.csd .dialog-action-area .button.destructive-action:insensitive > .label, .message-dialog.csd .dialog-action-area .header-bar .destructive-action.button.titlebutton:insensitive > .label,
-        .message-dialog.csd .dialog-action-area .titlebar .destructive-action.button.titlebutton:insensitive > .label {
+        .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop:insensitive > .label {
           color: inherit; }
-  .message-dialog.csd .dialog-action-area .button, .message-dialog.csd .dialog-action-area .button:hover, .message-dialog.csd .dialog-action-area .button:active, .message-dialog.csd .dialog-action-area .button:insensitive, .message-dialog.csd .dialog-action-area .button:backdrop, .message-dialog.csd .dialog-action-area .button:backdrop:insensitive, .message-dialog.csd .dialog-action-area .button.suggested-action, .message-dialog.csd .dialog-action-area .button.suggested-action:hover, .message-dialog.csd .dialog-action-area .button.suggested-action:active, .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop, .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop:insensitive, .message-dialog.csd .dialog-action-area .button.suggested-action:insensitive, .message-dialog.csd .dialog-action-area .button.destructive-action, .message-dialog.csd .dialog-action-area .button.destructive-action:hover, .message-dialog.csd .dialog-action-area .button.destructive-action:active, .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop, .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop:insensitive, .message-dialog.csd .dialog-action-area .button.destructive-action:insensitive {
-    border-left-style: solid;
-    border-right-style: none;
-    border-bottom-style: none; }
-  .message-dialog.csd .dialog-action-area .button:last-child {
-    border-bottom-right-radius: 7px;
-    outline-bottom-right-radius: 5px; }
-  .message-dialog.csd .dialog-action-area .button:first-child {
-    border-left-style: none;
-    border-bottom-left-radius: 7px;
-    outline-bottom-left-radius: 5px; }
+    .message-dialog.csd .dialog-action-area .button.destructive-action:insensitive {
+      color: #939695;
+      border-color: #1c1f1f;
+      background-image: linear-gradient(to bottom, #323636);
+      text-shadow: none;
+      icon-shadow: none;
+      box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+      .message-dialog.csd .dialog-action-area .button.destructive-action:insensitive > .label {
+        color: inherit; }
+.message-dialog.csd .dialog-action-area .button, .message-dialog.csd .dialog-action-area .button:hover, .message-dialog.csd .dialog-action-area .button:active, .message-dialog.csd .dialog-action-area .button:insensitive, .message-dialog.csd .dialog-action-area .button:backdrop, .message-dialog.csd .dialog-action-area .button:backdrop:insensitive, .message-dialog.csd .dialog-action-area .button.suggested-action, .message-dialog.csd .dialog-action-area .button.suggested-action:hover, .message-dialog.csd .dialog-action-area .button.suggested-action:active, .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop, .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop:insensitive, .message-dialog.csd .dialog-action-area .button.suggested-action:insensitive, .message-dialog.csd .dialog-action-area .button.destructive-action, .message-dialog.csd .dialog-action-area .button.destructive-action:hover, .message-dialog.csd .dialog-action-area .button.destructive-action:active, .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop, .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop:insensitive, .message-dialog.csd .dialog-action-area .button.destructive-action:insensitive {
+  border-left-style: solid;
+  border-right-style: none;
+  border-bottom-style: none; }
+.message-dialog.csd .dialog-action-area .button:last-child {
+  border-bottom-right-radius: 7px;
+  outline-bottom-right-radius: 5px; }
+.message-dialog.csd .dialog-action-area .button:first-child {
+  border-left-style: none;
+  border-bottom-left-radius: 7px;
+  outline-bottom-left-radius: 5px; }
 
 GtkFileChooserDialog .search-bar {
   background-color: #292929;
@@ -3990,9 +3919,7 @@ GtkPlacesSidebar.sidebar .sidebar-new-bookmark-row {
   GtkVolumeButton.sidebar-button.button, .header-bar .sidebar-button.titlebutton.button,
   .titlebar .sidebar-button.titlebutton.button {
     padding: 5px; }
-  .sidebar-button.button:not(:hover):not(:active) > GtkImage, .header-bar .sidebar-button.button.titlebutton:not(:hover):not(:active) > GtkImage,
-  .titlebar .sidebar-button.button.titlebutton:not(:hover):not(:active) > GtkImage, .sidebar-button.button:backdrop > GtkImage, .header-bar .sidebar-button.button.titlebutton:backdrop > GtkImage,
-  .titlebar .sidebar-button.button.titlebutton:backdrop > GtkImage {
+  .sidebar-button.button:not(:hover):not(:active) > GtkImage, .sidebar-button.button:backdrop > GtkImage {
     opacity: 0.7; }
 
 .sidebar-item {
@@ -4102,17 +4029,10 @@ GtkInfoBar {
       text-shadow: none;
       icon-shadow: none;
       box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-      .info .button:insensitive > .label, .info .header-bar .button.titlebutton:insensitive > .label,
-      .info .titlebar .button.titlebutton:insensitive > .label,
+      .info .button:insensitive > .label,
       .question .button:insensitive > .label,
-      .question .header-bar .button.titlebutton:insensitive > .label,
-      .question .titlebar .button.titlebutton:insensitive > .label,
       .warning .button:insensitive > .label,
-      .warning .header-bar .button.titlebutton:insensitive > .label,
-      .warning .titlebar .button.titlebutton:insensitive > .label,
-      .error .button:insensitive > .label,
-      .error .header-bar .button.titlebutton:insensitive > .label,
-      .error .titlebar .button.titlebutton:insensitive > .label {
+      .error .button:insensitive > .label {
         color: inherit; }
     .info .button:backdrop,
     .question .button:backdrop,
@@ -4136,17 +4056,10 @@ GtkInfoBar {
         icon-shadow: none;
         box-shadow: inset 0 1px rgba(255, 255, 255, 0);
         border-color: #0b1e33; }
-        .info .button:backdrop:insensitive > .label, .info .header-bar .button.titlebutton:backdrop:insensitive > .label,
-        .info .titlebar .button.titlebutton:backdrop:insensitive > .label,
+        .info .button:backdrop:insensitive > .label,
         .question .button:backdrop:insensitive > .label,
-        .question .header-bar .button.titlebutton:backdrop:insensitive > .label,
-        .question .titlebar .button.titlebutton:backdrop:insensitive > .label,
         .warning .button:backdrop:insensitive > .label,
-        .warning .header-bar .button.titlebutton:backdrop:insensitive > .label,
-        .warning .titlebar .button.titlebutton:backdrop:insensitive > .label,
-        .error .button:backdrop:insensitive > .label,
-        .error .header-bar .button.titlebutton:backdrop:insensitive > .label,
-        .error .titlebar .button.titlebutton:backdrop:insensitive > .label {
+        .error .button:backdrop:insensitive > .label {
           color: inherit; }
   .info .label:selected,
   .info .label:selected:focus,
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index dc5cce9342..908489259b 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -387,8 +387,7 @@ GtkTextView {
       text-shadow: none;
       icon-shadow: none;
       box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(255, 255, 255, 0); }
-      .button:backdrop:insensitive > .label, .header-bar .button.titlebutton:backdrop:insensitive > .label,
-      .titlebar .button.titlebutton:backdrop:insensitive > .label, .button.flat:backdrop:insensitive > .label, .sidebar-button.button:backdrop:insensitive > .label, .header-bar .titlebutton.button:backdrop:insensitive > .label,
+      .button:backdrop:insensitive > .label, .button.flat:backdrop:insensitive > .label, .sidebar-button.button:backdrop:insensitive > .label, .header-bar .titlebutton.button:backdrop:insensitive > .label,
       .titlebar .titlebutton.button:backdrop:insensitive > .label {
         color: inherit; }
     .button:backdrop:insensitive:active, .button:backdrop:insensitive:checked, .button.flat:backdrop:insensitive:active, .sidebar-button.button:backdrop:insensitive:active, .header-bar .titlebutton.button:backdrop:insensitive:active,
@@ -398,9 +397,7 @@ GtkTextView {
       border-color: #a8a8a8;
       background-image: linear-gradient(to bottom, #e7e7e7);
       box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(255, 255, 255, 0); }
-      .button:backdrop:insensitive:active > .label, .header-bar .button.titlebutton:backdrop:insensitive:active > .label,
-      .titlebar .button.titlebutton:backdrop:insensitive:active > .label, .button:backdrop:insensitive:checked > .label, .header-bar .button.titlebutton:backdrop:insensitive:checked > .label,
-      .titlebar .button.titlebutton:backdrop:insensitive:checked > .label, .button.flat:backdrop:insensitive:active > .label, .sidebar-button.button:backdrop:insensitive:active > .label, .header-bar .titlebutton.button:backdrop:insensitive:active > .label,
+      .button:backdrop:insensitive:active > .label, .button:backdrop:insensitive:checked > .label, .button.flat:backdrop:insensitive:active > .label, .sidebar-button.button:backdrop:insensitive:active > .label, .header-bar .titlebutton.button:backdrop:insensitive:active > .label,
       .titlebar .titlebutton.button:backdrop:insensitive:active > .label, .button.flat:backdrop:insensitive:checked > .label, .sidebar-button.button:backdrop:insensitive:checked > .label, .header-bar .titlebutton.button:backdrop:insensitive:checked > .label,
       .titlebar .titlebutton.button:backdrop:insensitive:checked > .label {
         color: inherit; }
@@ -422,17 +419,14 @@ GtkTextView {
     text-shadow: none;
     icon-shadow: none;
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px white; }
-    .button:insensitive > .label, .header-bar .button.titlebutton:insensitive > .label,
-    .titlebar .button.titlebutton:insensitive > .label {
+    .button:insensitive > .label {
       color: inherit; }
     .button:insensitive:active, .button:insensitive:checked {
       color: #8d9091;
       border-color: #a1a1a1;
       background-image: linear-gradient(to bottom, #ebebeb, #f4f4f4);
       box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px white; }
-      .button:insensitive:active > .label, .header-bar .button.titlebutton:insensitive:active > .label,
-      .titlebar .button.titlebutton:insensitive:active > .label, .button:insensitive:checked > .label, .header-bar .button.titlebutton:insensitive:checked > .label,
-      .titlebar .button.titlebutton:insensitive:checked > .label {
+      .button:insensitive:active > .label, .button:insensitive:checked > .label {
         color: inherit; }
   .button.osd, .header-bar .osd.button.titlebutton,
   .titlebar .osd.button.titlebutton {
@@ -675,8 +669,7 @@ GtkTextView {
         text-shadow: none;
         icon-shadow: none;
         box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(255, 255, 255, 0); }
-        .button.suggested-action:backdrop:insensitive > .label, .header-bar .suggested-action.button.titlebutton:backdrop:insensitive > .label,
-        .titlebar .suggested-action.button.titlebutton:backdrop:insensitive > .label, .button.suggested-action.flat:backdrop:insensitive > .label, .suggested-action.sidebar-button.button:backdrop:insensitive > .label, .header-bar .suggested-action.titlebutton.button:backdrop:insensitive > .label,
+        .button.suggested-action:backdrop:insensitive > .label, .button.suggested-action.flat:backdrop:insensitive > .label, .suggested-action.sidebar-button.button:backdrop:insensitive > .label, .header-bar .suggested-action.titlebutton.button:backdrop:insensitive > .label,
         .titlebar .suggested-action.titlebutton.button:backdrop:insensitive > .label {
           color: inherit; }
         .button.suggested-action:backdrop:insensitive:active, .button.suggested-action:backdrop:insensitive:checked, .button.suggested-action.flat:backdrop:insensitive:active, .suggested-action.sidebar-button.button:backdrop:insensitive:active, .header-bar .suggested-action.titlebutton.button:backdrop:insensitive:active,
@@ -686,9 +679,7 @@ GtkTextView {
           border-color: #5093da;
           background-image: linear-gradient(to bottom, #5093da);
           box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(255, 255, 255, 0); }
-          .button.suggested-action:backdrop:insensitive:active > .label, .header-bar .suggested-action.button.titlebutton:backdrop:insensitive:active > .label,
-          .titlebar .suggested-action.button.titlebutton:backdrop:insensitive:active > .label, .button.suggested-action:backdrop:insensitive:checked > .label, .header-bar .suggested-action.button.titlebutton:backdrop:insensitive:checked > .label,
-          .titlebar .suggested-action.button.titlebutton:backdrop:insensitive:checked > .label, .button.suggested-action.flat:backdrop:insensitive:active > .label, .suggested-action.sidebar-button.button:backdrop:insensitive:active > .label, .header-bar .suggested-action.titlebutton.button:backdrop:insensitive:active > .label,
+          .button.suggested-action:backdrop:insensitive:active > .label, .button.suggested-action:backdrop:insensitive:checked > .label, .button.suggested-action.flat:backdrop:insensitive:active > .label, .suggested-action.sidebar-button.button:backdrop:insensitive:active > .label, .header-bar .suggested-action.titlebutton.button:backdrop:insensitive:active > .label,
           .titlebar .suggested-action.titlebutton.button:backdrop:insensitive:active > .label, .button.suggested-action.flat:backdrop:insensitive:checked > .label, .suggested-action.sidebar-button.button:backdrop:insensitive:checked > .label, .header-bar .suggested-action.titlebutton.button:backdrop:insensitive:checked > .label,
           .titlebar .suggested-action.titlebutton.button:backdrop:insensitive:checked > .label {
             color: inherit; }
@@ -710,17 +701,14 @@ GtkTextView {
       text-shadow: none;
       icon-shadow: none;
       box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px white; }
-      .button.suggested-action:insensitive > .label, .header-bar .suggested-action.button.titlebutton:insensitive > .label,
-      .titlebar .suggested-action.button.titlebutton:insensitive > .label {
+      .button.suggested-action:insensitive > .label {
         color: inherit; }
       .button.suggested-action:insensitive:active, .button.suggested-action:insensitive:checked {
         color: #b9d3f0;
         border-color: #1c5187;
         background-image: linear-gradient(to bottom, #4a8cd1, #5093da);
         box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px white; }
-        .button.suggested-action:insensitive:active > .label, .header-bar .suggested-action.button.titlebutton:insensitive:active > .label,
-        .titlebar .suggested-action.button.titlebutton:insensitive:active > .label, .button.suggested-action:insensitive:checked > .label, .header-bar .suggested-action.button.titlebutton:insensitive:checked > .label,
-        .titlebar .suggested-action.button.titlebutton:insensitive:checked > .label {
+        .button.suggested-action:insensitive:active > .label, .button.suggested-action:insensitive:checked > .label {
           color: inherit; }
     .osd .button.suggested-action {
       color: #eeeeec;
@@ -822,8 +810,7 @@ GtkTextView {
         text-shadow: none;
         icon-shadow: none;
         box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(255, 255, 255, 0); }
-        .button.destructive-action:backdrop:insensitive > .label, .header-bar .destructive-action.button.titlebutton:backdrop:insensitive > .label,
-        .titlebar .destructive-action.button.titlebutton:backdrop:insensitive > .label, .button.destructive-action.flat:backdrop:insensitive > .label, .destructive-action.sidebar-button.button:backdrop:insensitive > .label, .header-bar .destructive-action.titlebutton.button:backdrop:insensitive > .label,
+        .button.destructive-action:backdrop:insensitive > .label, .button.destructive-action.flat:backdrop:insensitive > .label, .destructive-action.sidebar-button.button:backdrop:insensitive > .label, .header-bar .destructive-action.titlebutton.button:backdrop:insensitive > .label,
         .titlebar .destructive-action.titlebutton.button:backdrop:insensitive > .label {
           color: inherit; }
         .button.destructive-action:backdrop:insensitive:active, .button.destructive-action:backdrop:insensitive:checked, .button.destructive-action.flat:backdrop:insensitive:active, .destructive-action.sidebar-button.button:backdrop:insensitive:active, .header-bar .destructive-action.titlebutton.button:backdrop:insensitive:active,
@@ -833,9 +820,7 @@ GtkTextView {
           border-color: #ef3131;
           background-image: linear-gradient(to bottom, #ef3131);
           box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(255, 255, 255, 0); }
-          .button.destructive-action:backdrop:insensitive:active > .label, .header-bar .destructive-action.button.titlebutton:backdrop:insensitive:active > .label,
-          .titlebar .destructive-action.button.titlebutton:backdrop:insensitive:active > .label, .button.destructive-action:backdrop:insensitive:checked > .label, .header-bar .destructive-action.button.titlebutton:backdrop:insensitive:checked > .label,
-          .titlebar .destructive-action.button.titlebutton:backdrop:insensitive:checked > .label, .button.destructive-action.flat:backdrop:insensitive:active > .label, .destructive-action.sidebar-button.button:backdrop:insensitive:active > .label, .header-bar .destructive-action.titlebutton.button:backdrop:insensitive:active > .label,
+          .button.destructive-action:backdrop:insensitive:active > .label, .button.destructive-action:backdrop:insensitive:checked > .label, .button.destructive-action.flat:backdrop:insensitive:active > .label, .destructive-action.sidebar-button.button:backdrop:insensitive:active > .label, .header-bar .destructive-action.titlebutton.button:backdrop:insensitive:active > .label,
           .titlebar .destructive-action.titlebutton.button:backdrop:insensitive:active > .label, .button.destructive-action.flat:backdrop:insensitive:checked > .label, .destructive-action.sidebar-button.button:backdrop:insensitive:checked > .label, .header-bar .destructive-action.titlebutton.button:backdrop:insensitive:checked > .label,
           .titlebar .destructive-action.titlebutton.button:backdrop:insensitive:checked > .label {
             color: inherit; }
@@ -857,17 +842,14 @@ GtkTextView {
       text-shadow: none;
       icon-shadow: none;
       box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px white; }
-      .button.destructive-action:insensitive > .label, .header-bar .destructive-action.button.titlebutton:insensitive > .label,
-      .titlebar .destructive-action.button.titlebutton:insensitive > .label {
+      .button.destructive-action:insensitive > .label {
         color: inherit; }
       .button.destructive-action:insensitive:active, .button.destructive-action:insensitive:checked {
         color: #f8acac;
         border-color: #8e0b0b;
         background-image: linear-gradient(to bottom, #e52d2d, #ef3131);
         box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px white; }
-        .button.destructive-action:insensitive:active > .label, .header-bar .destructive-action.button.titlebutton:insensitive:active > .label,
-        .titlebar .destructive-action.button.titlebutton:insensitive:active > .label, .button.destructive-action:insensitive:checked > .label, .header-bar .destructive-action.button.titlebutton:insensitive:checked > .label,
-        .titlebar .destructive-action.button.titlebutton:insensitive:checked > .label {
+        .button.destructive-action:insensitive:active > .label, .button.destructive-action:insensitive:checked > .label {
           color: inherit; }
     .osd .button.destructive-action {
       color: #eeeeec;
@@ -945,8 +927,7 @@ GtkTextView {
       padding-right: 6px;
       padding-top: 3px;
       padding-bottom: 3px; }
-    .stack-switcher > .button.text-button, .header-bar .stack-switcher > .text-button.button.titlebutton,
-    .titlebar .stack-switcher > .text-button.button.titlebutton {
+    .stack-switcher > .button.text-button {
       padding: 5px 10px 6px; }
     .stack-switcher > .button.image-button, .stack-switcher > GtkScaleButton.button,
     .stack-switcher > GtkVolumeButton.button, .header-bar .stack-switcher > .titlebutton.button,
@@ -986,8 +967,7 @@ GtkTextView {
   text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
   icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
   box-shadow: inset 0 1px white, 0 1px white; }
-  .inline-toolbar GtkToolButton > .button:hover, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:hover,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:hover {
+  .inline-toolbar GtkToolButton > .button:hover {
     color: #2e3436;
     outline-color: rgba(46, 52, 54, 0.3);
     border-color: #a1a1a1;
@@ -995,9 +975,7 @@ GtkTextView {
     text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
     icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
     box-shadow: inset 0 1px white, 0 1px white; }
-  .inline-toolbar GtkToolButton > .button:active, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:active,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:active, .inline-toolbar GtkToolButton > .button:checked, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:checked,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:checked {
+  .inline-toolbar GtkToolButton > .button:active, .inline-toolbar GtkToolButton > .button:checked {
     color: #2e3436;
     outline-color: rgba(46, 52, 54, 0.3);
     border-color: #a1a1a1;
@@ -1005,8 +983,7 @@ GtkTextView {
     text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
     icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
     box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6), 0 1px white; }
-  .inline-toolbar GtkToolButton > .button:insensitive, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:insensitive,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:insensitive {
+  .inline-toolbar GtkToolButton > .button:insensitive {
     color: #8d9091;
     border-color: #a1a1a1;
     background-image: linear-gradient(to bottom, #f4f4f4);
@@ -1015,32 +992,26 @@ GtkTextView {
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px white; }
     .inline-toolbar GtkToolButton > .button:insensitive > .label {
       color: inherit; }
-  .inline-toolbar GtkToolButton > .button:insensitive:active, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:insensitive:active,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:insensitive:active, .inline-toolbar GtkToolButton > .button:insensitive:checked, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:insensitive:checked,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:insensitive:checked {
+  .inline-toolbar GtkToolButton > .button:insensitive:active, .inline-toolbar GtkToolButton > .button:insensitive:checked {
     color: #8d9091;
     border-color: #a1a1a1;
     background-image: linear-gradient(to bottom, #ebebeb, #f4f4f4);
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px white; }
     .inline-toolbar GtkToolButton > .button:insensitive:active > .label, .inline-toolbar GtkToolButton > .button:insensitive:checked > .label {
       color: inherit; }
-  .inline-toolbar GtkToolButton > .button:backdrop, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:backdrop,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:backdrop {
+  .inline-toolbar GtkToolButton > .button:backdrop {
     color: #8d9091;
     border-color: #a8a8a8;
     background-image: linear-gradient(to bottom, #ededed);
     text-shadow: none;
     icon-shadow: none;
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(255, 255, 255, 0); }
-  .inline-toolbar GtkToolButton > .button:backdrop:active, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:backdrop:active,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:backdrop:active, .inline-toolbar GtkToolButton > .button:backdrop:checked, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:backdrop:checked,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:backdrop:checked {
+  .inline-toolbar GtkToolButton > .button:backdrop:active, .inline-toolbar GtkToolButton > .button:backdrop:checked {
     color: #8d9091;
     border-color: #a8a8a8;
     background-image: linear-gradient(to bottom, #d4d4d4);
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(255, 255, 255, 0); }
-  .inline-toolbar GtkToolButton > .button:backdrop:insensitive, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:backdrop:insensitive,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:backdrop:insensitive {
+  .inline-toolbar GtkToolButton > .button:backdrop:insensitive {
     color: #c7c7c7;
     border-color: #a8a8a8;
     background-image: linear-gradient(to bottom, #f4f4f4);
@@ -1049,9 +1020,7 @@ GtkTextView {
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(255, 255, 255, 0); }
     .inline-toolbar GtkToolButton > .button:backdrop:insensitive > .label {
       color: inherit; }
-  .inline-toolbar GtkToolButton > .button:backdrop:insensitive:active, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:backdrop:insensitive:active,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:backdrop:insensitive:active, .inline-toolbar GtkToolButton > .button:backdrop:insensitive:checked, .inline-toolbar .header-bar GtkToolButton > .button.titlebutton:backdrop:insensitive:checked,
-  .inline-toolbar .titlebar GtkToolButton > .button.titlebutton:backdrop:insensitive:checked {
+  .inline-toolbar GtkToolButton > .button:backdrop:insensitive:active, .inline-toolbar GtkToolButton > .button:backdrop:insensitive:checked {
     color: #c7c7c7;
     border-color: #a8a8a8;
     background-image: linear-gradient(to bottom, #e7e7e7);
@@ -1082,8 +1051,7 @@ GtkTextView {
   border-radius: 0;
   border-right-style: none; }
 
-.linked:not(.vertical) > .entry:first-child, .osd .button:first-child:hover, .osd .button:first-child:active, .osd .button:first-child:checked, .osd .button:first-child:insensitive, .osd .button:first-child:backdrop, .osd .button.suggested-action:first-child, .osd .button.destructive-action:first-child, .inline-toolbar .button:first-child, .linked > .button:first-child, .header-bar .linked > .button.titlebutton:first-child,
-.titlebar .linked > .button.titlebutton:first-child, .inline-toolbar.toolbar GtkToolButton:first-child > .button.flat, .inline-toolbar GtkToolButton:first-child > .button.flat, .inline-toolbar.search-bar GtkToolButton:first-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:first-child > .button.flat, .inline-toolbar.toolbar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar.search-bar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar.location-bar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar .header-bar GtkToolButton:first-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:first-child > .button.titlebutton,
+.linked:not(.vertical) > .entry:first-child, .osd .button:first-child:hover, .osd .button:first-child:active, .osd .button:first-child:checked, .osd .button:first-child:insensitive, .osd .button:first-child:backdrop, .osd .button.suggested-action:first-child, .osd .button.destructive-action:first-child, .inline-toolbar .button:first-child, .linked > .button:first-child, .inline-toolbar.toolbar GtkToolButton:first-child > .button.flat, .inline-toolbar GtkToolButton:first-child > .button.flat, .inline-toolbar.search-bar GtkToolButton:first-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:first-child > .button.flat, .inline-toolbar.toolbar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar.search-bar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar.location-bar GtkToolButton:first-child > .sidebar-button.button, .inline-toolbar .header-bar GtkToolButton:first-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:first-child > .button.titlebutton,
 .inline-toolbar .titlebar GtkToolButton:first-child > .button.titlebutton,
 .titlebar .inline-toolbar GtkToolButton:first-child > .button.titlebutton,
 .inline-toolbar.toolbar GtkToolButton:backdrop:first-child > .button.flat,
@@ -1101,8 +1069,7 @@ GtkTextView {
 .linked > GtkComboBoxText:first-child > .button {
   border-top-left-radius: 3px;
   border-bottom-left-radius: 3px; }
-.linked:not(.vertical) > .entry:last-child, .osd .button:last-child:hover, .osd .button:last-child:active, .osd .button:last-child:checked, .osd .button:last-child:insensitive, .osd .button:last-child:backdrop, .osd .button.suggested-action:last-child, .osd .button.destructive-action:last-child, .inline-toolbar .button:last-child, .linked > .button:last-child, .header-bar .linked > .button.titlebutton:last-child,
-.titlebar .linked > .button.titlebutton:last-child, .inline-toolbar.toolbar GtkToolButton:last-child > .button.flat, .inline-toolbar GtkToolButton:last-child > .button.flat, .inline-toolbar.search-bar GtkToolButton:last-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:last-child > .button.flat, .inline-toolbar.toolbar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar.search-bar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar.location-bar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar .header-bar GtkToolButton:last-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:last-child > .button.titlebutton,
+.linked:not(.vertical) > .entry:last-child, .osd .button:last-child:hover, .osd .button:last-child:active, .osd .button:last-child:checked, .osd .button:last-child:insensitive, .osd .button:last-child:backdrop, .osd .button.suggested-action:last-child, .osd .button.destructive-action:last-child, .inline-toolbar .button:last-child, .linked > .button:last-child, .inline-toolbar.toolbar GtkToolButton:last-child > .button.flat, .inline-toolbar GtkToolButton:last-child > .button.flat, .inline-toolbar.search-bar GtkToolButton:last-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:last-child > .button.flat, .inline-toolbar.toolbar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar.search-bar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar.location-bar GtkToolButton:last-child > .sidebar-button.button, .inline-toolbar .header-bar GtkToolButton:last-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:last-child > .button.titlebutton,
 .inline-toolbar .titlebar GtkToolButton:last-child > .button.titlebutton,
 .titlebar .inline-toolbar GtkToolButton:last-child > .button.titlebutton,
 .inline-toolbar.toolbar GtkToolButton:backdrop:last-child > .button.flat,
@@ -1121,8 +1088,7 @@ GtkTextView {
   border-top-right-radius: 3px;
   border-bottom-right-radius: 3px;
   border-right-style: solid; }
-.linked:not(.vertical) > .entry:only-child, .osd .button:only-child:hover, .osd .button:only-child:active, .osd .button:only-child:checked, .osd .button:only-child:insensitive, .osd .button:only-child:backdrop, .osd .button.suggested-action:only-child, .osd .button.destructive-action:only-child, .inline-toolbar .button:only-child, .linked > .button:only-child, .header-bar .linked > .button.titlebutton:only-child,
-.titlebar .linked > .button.titlebutton:only-child, .inline-toolbar.toolbar GtkToolButton:only-child > .button.flat, .inline-toolbar GtkToolButton:only-child > .button.flat, .inline-toolbar.search-bar GtkToolButton:only-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:only-child > .button.flat, .inline-toolbar.toolbar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar.search-bar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar.location-bar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar .header-bar GtkToolButton:only-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:only-child > .button.titlebutton,
+.linked:not(.vertical) > .entry:only-child, .osd .button:only-child:hover, .osd .button:only-child:active, .osd .button:only-child:checked, .osd .button:only-child:insensitive, .osd .button:only-child:backdrop, .osd .button.suggested-action:only-child, .osd .button.destructive-action:only-child, .inline-toolbar .button:only-child, .linked > .button:only-child, .inline-toolbar.toolbar GtkToolButton:only-child > .button.flat, .inline-toolbar GtkToolButton:only-child > .button.flat, .inline-toolbar.search-bar GtkToolButton:only-child > .button.flat, .inline-toolbar.location-bar GtkToolButton:only-child > .button.flat, .inline-toolbar.toolbar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar.search-bar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar.location-bar GtkToolButton:only-child > .sidebar-button.button, .inline-toolbar .header-bar GtkToolButton:only-child > .button.titlebutton, .header-bar .inline-toolbar GtkToolButton:only-child > .button.titlebutton,
 .inline-toolbar .titlebar GtkToolButton:only-child > .button.titlebutton,
 .titlebar .inline-toolbar GtkToolButton:only-child > .button.titlebutton,
 .inline-toolbar.toolbar GtkToolButton:backdrop:only-child > .button.flat,
@@ -1141,25 +1107,21 @@ GtkTextView {
   border-radius: 3px;
   border-style: solid; }
 
-.linked.vertical > .entry, .linked.vertical > .button, .header-bar .linked.vertical > .button.titlebutton,
-.titlebar .linked.vertical > .button.titlebutton, .linked.vertical > .button:hover, .linked.vertical > .button:active, .linked.vertical > .button:checked, .linked.vertical > .button:backdrop, .linked.vertical > GtkComboBoxText > .button,
+.linked.vertical > .entry, .linked.vertical > .button, .linked.vertical > .button:hover, .linked.vertical > .button:active, .linked.vertical > .button:checked, .linked.vertical > .button:backdrop, .linked.vertical > GtkComboBoxText > .button,
 .linked.vertical > GtkComboBox > .button {
   border-style: solid solid none solid;
   border-radius: 0; }
 
-.linked.vertical > .entry:first-child, .linked.vertical > .button:first-child, .header-bar .linked.vertical > .button.titlebutton:first-child,
-.titlebar .linked.vertical > .button.titlebutton:first-child, .linked.vertical > GtkComboBoxText:first-child > .button,
+.linked.vertical > .entry:first-child, .linked.vertical > .button:first-child, .linked.vertical > GtkComboBoxText:first-child > .button,
 .linked.vertical > GtkComboBox:first-child > .button {
   border-top-left-radius: 3px;
   border-top-right-radius: 3px; }
-.linked.vertical > .entry:last-child, .linked.vertical > .button:last-child, .header-bar .linked.vertical > .button.titlebutton:last-child,
-.titlebar .linked.vertical > .button.titlebutton:last-child, .linked.vertical > GtkComboBoxText:last-child > .button,
+.linked.vertical > .entry:last-child, .linked.vertical > .button:last-child, .linked.vertical > GtkComboBoxText:last-child > .button,
 .linked.vertical > GtkComboBox:last-child > .button {
   border-bottom-left-radius: 3px;
   border-bottom-right-radius: 3px;
   border-style: solid; }
-.linked.vertical > .entry:only-child, .linked.vertical > .button:only-child, .header-bar .linked.vertical > .button.titlebutton:only-child,
-.titlebar .linked.vertical > .button.titlebutton:only-child, .linked.vertical > GtkComboBoxText:only-child > .button,
+.linked.vertical > .entry:only-child, .linked.vertical > .button:only-child, .linked.vertical > GtkComboBoxText:only-child > .button,
 .linked.vertical > GtkComboBox:only-child > .button {
   border-radius: 3px;
   border-style: solid; }
@@ -1396,9 +1358,7 @@ GtkColorButton.button, .header-bar GtkColorButton.button.titlebutton,
       text-shadow: none;
       icon-shadow: none;
       box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-      .spinbutton.vertical .button:first-child:insensitive > .label, .spinbutton.vertical .header-bar .button.titlebutton:first-child:insensitive > .label,
-      .spinbutton.vertical .titlebar .button.titlebutton:first-child:insensitive > .label, .spinbutton.vertical:dir(rtl) .button:first-child:insensitive > .label, .spinbutton.vertical:dir(rtl) .header-bar .button.titlebutton:first-child:insensitive > .label,
-      .spinbutton.vertical:dir(rtl) .titlebar .button.titlebutton:first-child:insensitive > .label {
+      .spinbutton.vertical .button:first-child:insensitive > .label, .spinbutton.vertical:dir(rtl) .button:first-child:insensitive > .label {
         color: inherit; }
     .spinbutton.vertical .button:first-child:backdrop, .spinbutton.vertical:dir(rtl) .button:first-child:backdrop {
       color: #8d9091;
@@ -1438,9 +1398,7 @@ GtkColorButton.button, .header-bar GtkColorButton.button.titlebutton,
       text-shadow: none;
       icon-shadow: none;
       box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px white; }
-      .spinbutton.vertical .button:last-child:insensitive > .label, .spinbutton.vertical .header-bar .button.titlebutton:last-child:insensitive > .label,
-      .spinbutton.vertical .titlebar .button.titlebutton:last-child:insensitive > .label, .spinbutton.vertical:dir(rtl) .button:last-child:insensitive > .label, .spinbutton.vertical:dir(rtl) .header-bar .button.titlebutton:last-child:insensitive > .label,
-      .spinbutton.vertical:dir(rtl) .titlebar .button.titlebutton:last-child:insensitive > .label {
+      .spinbutton.vertical .button:last-child:insensitive > .label, .spinbutton.vertical:dir(rtl) .button:last-child:insensitive > .label {
         color: inherit; }
     .spinbutton.vertical .button:last-child:backdrop, .spinbutton.vertical:dir(rtl) .button:last-child:backdrop {
       color: #8d9091;
@@ -1456,9 +1414,7 @@ GtkColorButton.button, .header-bar GtkColorButton.button.titlebutton,
     text-shadow: none;
     icon-shadow: none;
     box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(255, 255, 255, 0); }
-    .spinbutton.vertical .button:backdrop:insensitive > .label, .spinbutton.vertical .header-bar .button.titlebutton:backdrop:insensitive > .label,
-    .spinbutton.vertical .titlebar .button.titlebutton:backdrop:insensitive > .label, .spinbutton.vertical:dir(rtl) .button:backdrop:insensitive > .label, .spinbutton.vertical:dir(rtl) .header-bar .button.titlebutton:backdrop:insensitive > .label,
-    .spinbutton.vertical:dir(rtl) .titlebar .button.titlebutton:backdrop:insensitive > .label {
+    .spinbutton.vertical .button:backdrop:insensitive > .label, .spinbutton.vertical:dir(rtl) .button:backdrop:insensitive > .label {
       color: inherit; }
 .spinbutton.vertical.entry, .spinbutton.vertical:dir(rtl).entry {
   border-radius: 0;
@@ -1684,14 +1640,12 @@ GtkComboBox {
           icon-shadow: none;
           box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(164, 199, 236, 0);
           border-color: #184472; }
-          .titlebar.selection-mode .button:backdrop:insensitive > .label, .titlebar.selection-mode .header-bar .button.titlebutton:backdrop:insensitive > .label, .titlebar.selection-mode .button.flat:backdrop:insensitive > .label, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive > .label, .titlebar.selection-mode .header-bar .titlebutton.button:backdrop:insensitive > .label,
+          .titlebar.selection-mode .button:backdrop:insensitive > .label, .titlebar.selection-mode .button.flat:backdrop:insensitive > .label, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive > .label,
           .titlebar.selection-mode .titlebutton.button:backdrop:insensitive > .label,
           .header-bar.selection-mode .button:backdrop:insensitive > .label,
-          .header-bar.selection-mode .titlebar .button.titlebutton:backdrop:insensitive > .label,
           .header-bar.selection-mode .button.flat:backdrop:insensitive > .label,
           .header-bar.selection-mode .sidebar-button.button:backdrop:insensitive > .label,
-          .header-bar.selection-mode .titlebutton.button:backdrop:insensitive > .label,
-          .header-bar.selection-mode .titlebar .titlebutton.button:backdrop:insensitive > .label {
+          .header-bar.selection-mode .titlebutton.button:backdrop:insensitive > .label {
             color: inherit; }
         .titlebar.selection-mode .button:backdrop:insensitive:active, .titlebar.selection-mode .button:backdrop:insensitive:checked, .titlebar.selection-mode .button.flat:backdrop:insensitive:active, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive:active,
         .titlebar.selection-mode .titlebutton.button:backdrop:insensitive:active, .titlebar.selection-mode .button.flat:backdrop:insensitive:checked, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive:checked,
@@ -1709,21 +1663,17 @@ GtkComboBox {
           background-image: linear-gradient(to bottom, #5093da);
           box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(164, 199, 236, 0);
           border-color: #184472; }
-          .titlebar.selection-mode .button:backdrop:insensitive:active > .label, .titlebar.selection-mode .header-bar .button.titlebutton:backdrop:insensitive:active > .label, .titlebar.selection-mode .button:backdrop:insensitive:checked > .label, .titlebar.selection-mode .header-bar .button.titlebutton:backdrop:insensitive:checked > .label, .titlebar.selection-mode .button.flat:backdrop:insensitive:active > .label, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive:active > .label, .titlebar.selection-mode .header-bar .titlebutton.button:backdrop:insensitive:active > .label,
-          .titlebar.selection-mode .titlebutton.button:backdrop:insensitive:active > .label, .titlebar.selection-mode .button.flat:backdrop:insensitive:checked > .label, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive:checked > .label, .titlebar.selection-mode .header-bar .titlebutton.button:backdrop:insensitive:checked > .label,
+          .titlebar.selection-mode .button:backdrop:insensitive:active > .label, .titlebar.selection-mode .button:backdrop:insensitive:checked > .label, .titlebar.selection-mode .button.flat:backdrop:insensitive:active > .label, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive:active > .label,
+          .titlebar.selection-mode .titlebutton.button:backdrop:insensitive:active > .label, .titlebar.selection-mode .button.flat:backdrop:insensitive:checked > .label, .titlebar.selection-mode .sidebar-button.button:backdrop:insensitive:checked > .label,
           .titlebar.selection-mode .titlebutton.button:backdrop:insensitive:checked > .label,
           .header-bar.selection-mode .button:backdrop:insensitive:active > .label,
-          .header-bar.selection-mode .titlebar .button.titlebutton:backdrop:insensitive:active > .label,
           .header-bar.selection-mode .button:backdrop:insensitive:checked > .label,
-          .header-bar.selection-mode .titlebar .button.titlebutton:backdrop:insensitive:checked > .label,
           .header-bar.selection-mode .button.flat:backdrop:insensitive:active > .label,
           .header-bar.selection-mode .sidebar-button.button:backdrop:insensitive:active > .label,
           .header-bar.selection-mode .titlebutton.button:backdrop:insensitive:active > .label,
-          .header-bar.selection-mode .titlebar .titlebutton.button:backdrop:insensitive:active > .label,
           .header-bar.selection-mode .button.flat:backdrop:insensitive:checked > .label,
           .header-bar.selection-mode .sidebar-button.button:backdrop:insensitive:checked > .label,
-          .header-bar.selection-mode .titlebutton.button:backdrop:insensitive:checked > .label,
-          .header-bar.selection-mode .titlebar .titlebutton.button:backdrop:insensitive:checked > .label {
+          .header-bar.selection-mode .titlebutton.button:backdrop:insensitive:checked > .label {
             color: inherit; }
       .titlebar.selection-mode .button.flat:backdrop, .titlebar.selection-mode .sidebar-button.button:backdrop,
       .titlebar.selection-mode .titlebutton.button:backdrop, .titlebar.selection-mode .button.flat:insensitive, .titlebar.selection-mode .sidebar-button.button:insensitive,
@@ -1752,9 +1702,8 @@ GtkComboBox {
         text-shadow: none;
         icon-shadow: none;
         box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px #a4c7ec; }
-        .titlebar.selection-mode .button:insensitive > .label, .titlebar.selection-mode .header-bar .button.titlebutton:insensitive > .label,
-        .header-bar.selection-mode .button:insensitive > .label,
-        .header-bar.selection-mode .titlebar .button.titlebutton:insensitive > .label {
+        .titlebar.selection-mode .button:insensitive > .label,
+        .header-bar.selection-mode .button:insensitive > .label {
           color: inherit; }
         .titlebar.selection-mode .button:insensitive:active, .titlebar.selection-mode .button:insensitive:checked,
         .header-bar.selection-mode .button:insensitive:active,
@@ -1763,11 +1712,9 @@ GtkComboBox {
           border-color: #1c5187;
           background-image: linear-gradient(to bottom, #4a8cd1, #5093da);
           box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px #a4c7ec; }
-          .titlebar.selection-mode .button:insensitive:active > .label, .titlebar.selection-mode .header-bar .button.titlebutton:insensitive:active > .label, .titlebar.selection-mode .button:insensitive:checked > .label, .titlebar.selection-mode .header-bar .button.titlebutton:insensitive:checked > .label,
+          .titlebar.selection-mode .button:insensitive:active > .label, .titlebar.selection-mode .button:insensitive:checked > .label,
           .header-bar.selection-mode .button:insensitive:active > .label,
-          .header-bar.selection-mode .titlebar .button.titlebutton:insensitive:active > .label,
-          .header-bar.selection-mode .button:insensitive:checked > .label,
-          .header-bar.selection-mode .titlebar .button.titlebutton:insensitive:checked > .label {
+          .header-bar.selection-mode .button:insensitive:checked > .label {
             color: inherit; }
       .titlebar.selection-mode .button.suggested-action,
       .header-bar.selection-mode .button.suggested-action {
@@ -1808,9 +1755,8 @@ GtkComboBox {
           icon-shadow: none;
           box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px #a4c7ec;
           border-color: #184472; }
-          .titlebar.selection-mode .button.suggested-action:insensitive > .label, .titlebar.selection-mode .header-bar .suggested-action.button.titlebutton:insensitive > .label,
-          .header-bar.selection-mode .button.suggested-action:insensitive > .label,
-          .header-bar.selection-mode .titlebar .suggested-action.button.titlebutton:insensitive > .label {
+          .titlebar.selection-mode .button.suggested-action:insensitive > .label,
+          .header-bar.selection-mode .button.suggested-action:insensitive > .label {
             color: inherit; }
         .titlebar.selection-mode .button.suggested-action:backdrop,
         .header-bar.selection-mode .button.suggested-action:backdrop {
@@ -1830,9 +1776,8 @@ GtkComboBox {
           icon-shadow: none;
           box-shadow: inset 0 1px rgba(255, 255, 255, 0), 0 1px rgba(164, 199, 236, 0);
           border-color: #184472; }
-          .titlebar.selection-mode .button.suggested-action:backdrop:insensitive > .label, .titlebar.selection-mode .header-bar .suggested-action.button.titlebutton:backdrop:insensitive > .label,
-          .header-bar.selection-mode .button.suggested-action:backdrop:insensitive > .label,
-          .header-bar.selection-mode .titlebar .suggested-action.button.titlebutton:backdrop:insensitive > .label {
+          .titlebar.selection-mode .button.suggested-action:backdrop:insensitive > .label,
+          .header-bar.selection-mode .button.suggested-action:backdrop:insensitive > .label {
             color: inherit; }
     .titlebar.selection-mode .selection-menu, .titlebar.selection-mode .selection-menu:backdrop,
     .header-bar.selection-mode .selection-menu,
@@ -3743,8 +3688,7 @@ GtkScrolledWindow GtkViewport.frame {
       icon-shadow: none;
       box-shadow: inset 0 1px rgba(255, 255, 255, 0);
       border-color: #184472; }
-      .list-row:selected .button:backdrop:insensitive > .label, .list-row:selected .header-bar .button.titlebutton:backdrop:insensitive > .label,
-      .list-row:selected .titlebar .button.titlebutton:backdrop:insensitive > .label, .list-row:selected .button.flat:backdrop:insensitive > .label, .list-row:selected .sidebar-button.button:backdrop:insensitive > .label, .list-row:selected .header-bar .titlebutton.button:backdrop:insensitive > .label, .header-bar .list-row:selected .titlebutton.button:backdrop:insensitive > .label,
+      .list-row:selected .button:backdrop:insensitive > .label, .list-row:selected .button.flat:backdrop:insensitive > .label, .list-row:selected .sidebar-button.button:backdrop:insensitive > .label, .list-row:selected .header-bar .titlebutton.button:backdrop:insensitive > .label, .header-bar .list-row:selected .titlebutton.button:backdrop:insensitive > .label,
       .list-row:selected .titlebar .titlebutton.button:backdrop:insensitive > .label,
       .titlebar .list-row:selected .titlebutton.button:backdrop:insensitive > .label {
         color: inherit; }
@@ -3758,9 +3702,7 @@ GtkScrolledWindow GtkViewport.frame {
         background-image: linear-gradient(to bottom, #e7e7e7);
         box-shadow: inset 0 1px rgba(255, 255, 255, 0);
         border-color: #184472; }
-        .list-row:selected .button:backdrop:insensitive:active > .label, .list-row:selected .header-bar .button.titlebutton:backdrop:insensitive:active > .label,
-        .list-row:selected .titlebar .button.titlebutton:backdrop:insensitive:active > .label, .list-row:selected .button:backdrop:insensitive:checked > .label, .list-row:selected .header-bar .button.titlebutton:backdrop:insensitive:checked > .label,
-        .list-row:selected .titlebar .button.titlebutton:backdrop:insensitive:checked > .label, .list-row:selected .button.flat:backdrop:insensitive:active > .label, .list-row:selected .sidebar-button.button:backdrop:insensitive:active > .label, .list-row:selected .header-bar .titlebutton.button:backdrop:insensitive:active > .label, .header-bar .list-row:selected .titlebutton.button:backdrop:insensitive:active > .label,
+        .list-row:selected .button:backdrop:insensitive:active > .label, .list-row:selected .button:backdrop:insensitive:checked > .label, .list-row:selected .button.flat:backdrop:insensitive:active > .label, .list-row:selected .sidebar-button.button:backdrop:insensitive:active > .label, .list-row:selected .header-bar .titlebutton.button:backdrop:insensitive:active > .label, .header-bar .list-row:selected .titlebutton.button:backdrop:insensitive:active > .label,
         .list-row:selected .titlebar .titlebutton.button:backdrop:insensitive:active > .label,
         .titlebar .list-row:selected .titlebutton.button:backdrop:insensitive:active > .label, .list-row:selected .button.flat:backdrop:insensitive:checked > .label, .list-row:selected .sidebar-button.button:backdrop:insensitive:checked > .label, .list-row:selected .header-bar .titlebutton.button:backdrop:insensitive:checked > .label, .header-bar .list-row:selected .titlebutton.button:backdrop:insensitive:checked > .label,
         .list-row:selected .titlebar .titlebutton.button:backdrop:insensitive:checked > .label,
@@ -3784,24 +3726,19 @@ GtkScrolledWindow GtkViewport.frame {
     icon-shadow: none;
     box-shadow: inset 0 1px rgba(255, 255, 255, 0);
     border-color: #184472; }
-    .list-row:selected .button:insensitive > .label, .list-row:selected .header-bar .button.titlebutton:insensitive > .label,
-    .list-row:selected .titlebar .button.titlebutton:insensitive > .label {
+    .list-row:selected .button:insensitive > .label {
       color: inherit; }
     .list-row:selected .button:insensitive:active, .list-row:selected .button:insensitive:checked {
       color: #8d9091;
       border-color: #a1a1a1;
       background-image: linear-gradient(to bottom, #ebebeb, #f4f4f4);
       box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-      .list-row:selected .button:insensitive:active > .label, .list-row:selected .header-bar .button.titlebutton:insensitive:active > .label,
-      .list-row:selected .titlebar .button.titlebutton:insensitive:active > .label, .list-row:selected .button:insensitive:checked > .label, .list-row:selected .header-bar .button.titlebutton:insensitive:checked > .label,
-      .list-row:selected .titlebar .button.titlebutton:insensitive:checked > .label {
+      .list-row:selected .button:insensitive:active > .label, .list-row:selected .button:insensitive:checked > .label {
         color: inherit; }
 
-.list-row, list-row.button, .header-bar list-row.button.titlebutton,
-.titlebar list-row.button.titlebutton {
+.list-row {
   transition: all 150ms cubic-bezier(0.25, 0.46, 0.45, 0.94); }
-  .list-row:hover, list-row.button:hover, .header-bar list-row.button.titlebutton:hover,
-  .titlebar list-row.button.titlebutton:hover {
+  .list-row:hover {
     transition: none; }
 
 /*********************
@@ -3928,182 +3865,174 @@ GtkCalendar {
 .message-dialog .dialog-action-area .button {
   padding: 8px; }
 
-.message-dialog {
-  -GtkDialog-button-spacing: 0; }
-  .message-dialog.background {
-    background-color: #ededed; }
-  .message-dialog .titlebar {
-    border-style: none;
-    box-shadow: inset 0 1px white; }
-  .message-dialog.csd.background {
-    border-bottom-left-radius: 9px;
-    border-bottom-right-radius: 9px; }
-  .message-dialog.csd .dialog-action-area .button {
-    padding: 12px;
-    border-radius: 0;
+.message-dialog.background {
+  background-color: #ededed; }
+.message-dialog .titlebar {
+  border-style: none;
+  box-shadow: inset 0 1px white; }
+.message-dialog.csd.background {
+  border-bottom-left-radius: 9px;
+  border-bottom-right-radius: 9px; }
+.message-dialog.csd .dialog-action-area .button {
+  padding: 12px;
+  border-radius: 0;
+  color: #2e3436;
+  outline-color: rgba(46, 52, 54, 0.3);
+  border-color: #a1a1a1;
+  background-image: linear-gradient(to bottom, #fafafa, #ededed 40%, #e0e0e0);
+  text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
+  icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
+  box-shadow: inset 0 1px white; }
+  .message-dialog.csd .dialog-action-area .button:hover {
     color: #2e3436;
     outline-color: rgba(46, 52, 54, 0.3);
     border-color: #a1a1a1;
-    background-image: linear-gradient(to bottom, #fafafa, #ededed 40%, #e0e0e0);
+    background-image: linear-gradient(to bottom, white, #f7f7f7 40%, #ededed);
     text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
     icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
     box-shadow: inset 0 1px white; }
-    .message-dialog.csd .dialog-action-area .button:hover {
-      color: #2e3436;
-      outline-color: rgba(46, 52, 54, 0.3);
-      border-color: #a1a1a1;
-      background-image: linear-gradient(to bottom, white, #f7f7f7 40%, #ededed);
-      text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-      icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-      box-shadow: inset 0 1px white; }
-    .message-dialog.csd .dialog-action-area .button:active {
-      color: #2e3436;
-      outline-color: rgba(46, 52, 54, 0.3);
-      border-color: #a1a1a1;
-      background-image: linear-gradient(to bottom, #d6d6d6, gainsboro 40%, #e0e0e0);
-      text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-      icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
-      box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6); }
-    .message-dialog.csd .dialog-action-area .button:insensitive {
-      color: #8d9091;
-      border-color: #a1a1a1;
-      background-image: linear-gradient(to bottom, #f4f4f4);
-      text-shadow: none;
-      icon-shadow: none;
-      box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-      .message-dialog.csd .dialog-action-area .button:insensitive > .label, .message-dialog.csd .dialog-action-area .header-bar .button.titlebutton:insensitive > .label,
-      .message-dialog.csd .dialog-action-area .titlebar .button.titlebutton:insensitive > .label {
-        color: inherit; }
-    .message-dialog.csd .dialog-action-area .button:backdrop {
-      color: #8d9091;
-      border-color: #a8a8a8;
-      background-image: linear-gradient(to bottom, #ededed);
-      text-shadow: none;
-      icon-shadow: none;
-      box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-    .message-dialog.csd .dialog-action-area .button:backdrop:insensitive {
-      color: #c7c7c7;
-      border-color: #a8a8a8;
-      background-image: linear-gradient(to bottom, #f4f4f4);
-      text-shadow: none;
-      icon-shadow: none;
-      box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-      .message-dialog.csd .dialog-action-area .button:backdrop:insensitive > .label, .message-dialog.csd .dialog-action-area .header-bar .button.titlebutton:backdrop:insensitive > .label,
-      .message-dialog.csd .dialog-action-area .titlebar .button.titlebutton:backdrop:insensitive > .label {
-        color: inherit; }
-    .message-dialog.csd .dialog-action-area .button.suggested-action {
+  .message-dialog.csd .dialog-action-area .button:active {
+    color: #2e3436;
+    outline-color: rgba(46, 52, 54, 0.3);
+    border-color: #a1a1a1;
+    background-image: linear-gradient(to bottom, #d6d6d6, gainsboro 40%, #e0e0e0);
+    text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
+    icon-shadow: 0 1px rgba(255, 255, 255, 0.76923);
+    box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6); }
+  .message-dialog.csd .dialog-action-area .button:insensitive {
+    color: #8d9091;
+    border-color: #a1a1a1;
+    background-image: linear-gradient(to bottom, #f4f4f4);
+    text-shadow: none;
+    icon-shadow: none;
+    box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+    .message-dialog.csd .dialog-action-area .button:insensitive > .label {
+      color: inherit; }
+  .message-dialog.csd .dialog-action-area .button:backdrop {
+    color: #8d9091;
+    border-color: #a8a8a8;
+    background-image: linear-gradient(to bottom, #ededed);
+    text-shadow: none;
+    icon-shadow: none;
+    box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+  .message-dialog.csd .dialog-action-area .button:backdrop:insensitive {
+    color: #c7c7c7;
+    border-color: #a8a8a8;
+    background-image: linear-gradient(to bottom, #f4f4f4);
+    text-shadow: none;
+    icon-shadow: none;
+    box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+    .message-dialog.csd .dialog-action-area .button:backdrop:insensitive > .label {
+      color: inherit; }
+  .message-dialog.csd .dialog-action-area .button.suggested-action {
+    color: white;
+    outline-color: rgba(255, 255, 255, 0.3);
+    border-color: #1c5187;
+    background-image: linear-gradient(to bottom, #5f9ddd, #4a90d9 40%, #3583d5);
+    text-shadow: 0 -1px rgba(0, 0, 0, 0.54353);
+    icon-shadow: 0 -1px rgba(0, 0, 0, 0.54353);
+    box-shadow: inset 0 1px rgba(255, 255, 255, 0.5); }
+    .message-dialog.csd .dialog-action-area .button.suggested-action:hover {
       color: white;
       outline-color: rgba(255, 255, 255, 0.3);
       border-color: #1c5187;
-      background-image: linear-gradient(to bottom, #5f9ddd, #4a90d9 40%, #3583d5);
-      text-shadow: 0 -1px rgba(0, 0, 0, 0.54353);
-      icon-shadow: 0 -1px rgba(0, 0, 0, 0.54353);
+      background-image: linear-gradient(to bottom, #85b4e5, #5b9add 40%, #4a90d9);
+      text-shadow: 0 -1px rgba(0, 0, 0, 0.51153);
+      icon-shadow: 0 -1px rgba(0, 0, 0, 0.51153);
       box-shadow: inset 0 1px rgba(255, 255, 255, 0.5); }
-      .message-dialog.csd .dialog-action-area .button.suggested-action:hover {
-        color: white;
-        outline-color: rgba(255, 255, 255, 0.3);
-        border-color: #1c5187;
-        background-image: linear-gradient(to bottom, #85b4e5, #5b9add 40%, #4a90d9);
-        text-shadow: 0 -1px rgba(0, 0, 0, 0.51153);
-        icon-shadow: 0 -1px rgba(0, 0, 0, 0.51153);
-        box-shadow: inset 0 1px rgba(255, 255, 255, 0.5); }
-      .message-dialog.csd .dialog-action-area .button.suggested-action:active {
-        color: white;
-        outline-color: rgba(255, 255, 255, 0.3);
-        border-color: #1c5187;
-        background-image: linear-gradient(to bottom, #2b79cb, #2e7fd3 40%, #3583d5);
-        text-shadow: 0 -1px rgba(0, 0, 0, 0.62353);
-        icon-shadow: 0 -1px rgba(0, 0, 0, 0.62353);
-        box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6); }
-      .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop {
-        color: #dae8f7;
-        border-color: #4a90d9;
-        background-image: linear-gradient(to bottom, #4a90d9);
-        text-shadow: none;
-        icon-shadow: none;
-        box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-        .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop:insensitive {
-          color: #c7c7c7;
-          border-color: #a8a8a8;
-          background-image: linear-gradient(to bottom, #f4f4f4);
-          text-shadow: none;
-          icon-shadow: none;
-          box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-          .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop:insensitive > .label, .message-dialog.csd .dialog-action-area .header-bar .suggested-action.button.titlebutton:backdrop:insensitive > .label,
-          .message-dialog.csd .dialog-action-area .titlebar .suggested-action.button.titlebutton:backdrop:insensitive > .label {
-            color: inherit; }
-      .message-dialog.csd .dialog-action-area .button.suggested-action:insensitive {
-        color: #8d9091;
-        border-color: #a1a1a1;
+    .message-dialog.csd .dialog-action-area .button.suggested-action:active {
+      color: white;
+      outline-color: rgba(255, 255, 255, 0.3);
+      border-color: #1c5187;
+      background-image: linear-gradient(to bottom, #2b79cb, #2e7fd3 40%, #3583d5);
+      text-shadow: 0 -1px rgba(0, 0, 0, 0.62353);
+      icon-shadow: 0 -1px rgba(0, 0, 0, 0.62353);
+      box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6); }
+    .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop {
+      color: #dae8f7;
+      border-color: #4a90d9;
+      background-image: linear-gradient(to bottom, #4a90d9);
+      text-shadow: none;
+      icon-shadow: none;
+      box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+      .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop:insensitive {
+        color: #c7c7c7;
+        border-color: #a8a8a8;
         background-image: linear-gradient(to bottom, #f4f4f4);
         text-shadow: none;
         icon-shadow: none;
         box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-        .message-dialog.csd .dialog-action-area .button.suggested-action:insensitive > .label, .message-dialog.csd .dialog-action-area .header-bar .suggested-action.button.titlebutton:insensitive > .label,
-        .message-dialog.csd .dialog-action-area .titlebar .suggested-action.button.titlebutton:insensitive > .label {
+        .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop:insensitive > .label {
           color: inherit; }
-    .message-dialog.csd .dialog-action-area .button.destructive-action {
+    .message-dialog.csd .dialog-action-area .button.suggested-action:insensitive {
+      color: #8d9091;
+      border-color: #a1a1a1;
+      background-image: linear-gradient(to bottom, #f4f4f4);
+      text-shadow: none;
+      icon-shadow: none;
+      box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+      .message-dialog.csd .dialog-action-area .button.suggested-action:insensitive > .label {
+        color: inherit; }
+  .message-dialog.csd .dialog-action-area .button.destructive-action {
+    color: white;
+    outline-color: rgba(255, 255, 255, 0.3);
+    border-color: #8e0b0b;
+    background-image: linear-gradient(to bottom, #f14141, #ef2929 40%, #ed1212);
+    text-shadow: 0 -1px rgba(0, 0, 0, 0.56078);
+    icon-shadow: 0 -1px rgba(0, 0, 0, 0.56078);
+    box-shadow: inset 0 1px rgba(255, 255, 255, 0.5); }
+    .message-dialog.csd .dialog-action-area .button.destructive-action:hover {
       color: white;
       outline-color: rgba(255, 255, 255, 0.3);
       border-color: #8e0b0b;
-      background-image: linear-gradient(to bottom, #f14141, #ef2929 40%, #ed1212);
-      text-shadow: 0 -1px rgba(0, 0, 0, 0.56078);
-      icon-shadow: 0 -1px rgba(0, 0, 0, 0.56078);
+      background-image: linear-gradient(to bottom, #f46b6b, #f03c3c 40%, #ef2929);
+      text-shadow: 0 -1px rgba(0, 0, 0, 0.52878);
+      icon-shadow: 0 -1px rgba(0, 0, 0, 0.52878);
       box-shadow: inset 0 1px rgba(255, 255, 255, 0.5); }
-      .message-dialog.csd .dialog-action-area .button.destructive-action:hover {
-        color: white;
-        outline-color: rgba(255, 255, 255, 0.3);
-        border-color: #8e0b0b;
-        background-image: linear-gradient(to bottom, #f46b6b, #f03c3c 40%, #ef2929);
-        text-shadow: 0 -1px rgba(0, 0, 0, 0.52878);
-        icon-shadow: 0 -1px rgba(0, 0, 0, 0.52878);
-        box-shadow: inset 0 1px rgba(255, 255, 255, 0.5); }
-      .message-dialog.csd .dialog-action-area .button.destructive-action:active {
-        color: white;
-        outline-color: rgba(255, 255, 255, 0.3);
-        border-color: #8e0b0b;
-        background-image: linear-gradient(to bottom, #da1010, #e51111 40%, #ed1212);
-        text-shadow: 0 -1px rgba(0, 0, 0, 0.64078);
-        icon-shadow: 0 -1px rgba(0, 0, 0, 0.64078);
-        box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6); }
-      .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop {
-        color: #fbd4d4;
-        border-color: #ef2929;
-        background-image: linear-gradient(to bottom, #ef2929);
-        text-shadow: none;
-        icon-shadow: none;
-        box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-        .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop:insensitive {
-          color: #c7c7c7;
-          border-color: #a8a8a8;
-          background-image: linear-gradient(to bottom, #f4f4f4);
-          text-shadow: none;
-          icon-shadow: none;
-          box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-          .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop:insensitive > .label, .message-dialog.csd .dialog-action-area .header-bar .destructive-action.button.titlebutton:backdrop:insensitive > .label,
-          .message-dialog.csd .dialog-action-area .titlebar .destructive-action.button.titlebutton:backdrop:insensitive > .label {
-            color: inherit; }
-      .message-dialog.csd .dialog-action-area .button.destructive-action:insensitive {
-        color: #8d9091;
-        border-color: #a1a1a1;
+    .message-dialog.csd .dialog-action-area .button.destructive-action:active {
+      color: white;
+      outline-color: rgba(255, 255, 255, 0.3);
+      border-color: #8e0b0b;
+      background-image: linear-gradient(to bottom, #da1010, #e51111 40%, #ed1212);
+      text-shadow: 0 -1px rgba(0, 0, 0, 0.64078);
+      icon-shadow: 0 -1px rgba(0, 0, 0, 0.64078);
+      box-shadow: inset 0 1px rgba(0, 0, 0, 0.07), inset 0 2px 1px -2px rgba(0, 0, 0, 0.6); }
+    .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop {
+      color: #fbd4d4;
+      border-color: #ef2929;
+      background-image: linear-gradient(to bottom, #ef2929);
+      text-shadow: none;
+      icon-shadow: none;
+      box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+      .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop:insensitive {
+        color: #c7c7c7;
+        border-color: #a8a8a8;
         background-image: linear-gradient(to bottom, #f4f4f4);
         text-shadow: none;
         icon-shadow: none;
         box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-        .message-dialog.csd .dialog-action-area .button.destructive-action:insensitive > .label, .message-dialog.csd .dialog-action-area .header-bar .destructive-action.button.titlebutton:insensitive > .label,
-        .message-dialog.csd .dialog-action-area .titlebar .destructive-action.button.titlebutton:insensitive > .label {
+        .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop:insensitive > .label {
           color: inherit; }
-  .message-dialog.csd .dialog-action-area .button, .message-dialog.csd .dialog-action-area .button:hover, .message-dialog.csd .dialog-action-area .button:active, .message-dialog.csd .dialog-action-area .button:insensitive, .message-dialog.csd .dialog-action-area .button:backdrop, .message-dialog.csd .dialog-action-area .button:backdrop:insensitive, .message-dialog.csd .dialog-action-area .button.suggested-action, .message-dialog.csd .dialog-action-area .button.suggested-action:hover, .message-dialog.csd .dialog-action-area .button.suggested-action:active, .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop, .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop:insensitive, .message-dialog.csd .dialog-action-area .button.suggested-action:insensitive, .message-dialog.csd .dialog-action-area .button.destructive-action, .message-dialog.csd .dialog-action-area .button.destructive-action:hover, .message-dialog.csd .dialog-action-area .button.destructive-action:active, .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop, .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop:insensitive, .message-dialog.csd .dialog-action-area .button.destructive-action:insensitive {
-    border-left-style: solid;
-    border-right-style: none;
-    border-bottom-style: none; }
-  .message-dialog.csd .dialog-action-area .button:last-child {
-    border-bottom-right-radius: 7px;
-    outline-bottom-right-radius: 5px; }
-  .message-dialog.csd .dialog-action-area .button:first-child {
-    border-left-style: none;
-    border-bottom-left-radius: 7px;
-    outline-bottom-left-radius: 5px; }
+    .message-dialog.csd .dialog-action-area .button.destructive-action:insensitive {
+      color: #8d9091;
+      border-color: #a1a1a1;
+      background-image: linear-gradient(to bottom, #f4f4f4);
+      text-shadow: none;
+      icon-shadow: none;
+      box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
+      .message-dialog.csd .dialog-action-area .button.destructive-action:insensitive > .label {
+        color: inherit; }
+.message-dialog.csd .dialog-action-area .button, .message-dialog.csd .dialog-action-area .button:hover, .message-dialog.csd .dialog-action-area .button:active, .message-dialog.csd .dialog-action-area .button:insensitive, .message-dialog.csd .dialog-action-area .button:backdrop, .message-dialog.csd .dialog-action-area .button:backdrop:insensitive, .message-dialog.csd .dialog-action-area .button.suggested-action, .message-dialog.csd .dialog-action-area .button.suggested-action:hover, .message-dialog.csd .dialog-action-area .button.suggested-action:active, .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop, .message-dialog.csd .dialog-action-area .button.suggested-action:backdrop:insensitive, .message-dialog.csd .dialog-action-area .button.suggested-action:insensitive, .message-dialog.csd .dialog-action-area .button.destructive-action, .message-dialog.csd .dialog-action-area .button.destructive-action:hover, .message-dialog.csd .dialog-action-area .button.destructive-action:active, .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop, .message-dialog.csd .dialog-action-area .button.destructive-action:backdrop:insensitive, .message-dialog.csd .dialog-action-area .button.destructive-action:insensitive {
+  border-left-style: solid;
+  border-right-style: none;
+  border-bottom-style: none; }
+.message-dialog.csd .dialog-action-area .button:last-child {
+  border-bottom-right-radius: 7px;
+  outline-bottom-right-radius: 5px; }
+.message-dialog.csd .dialog-action-area .button:first-child {
+  border-left-style: none;
+  border-bottom-left-radius: 7px;
+  outline-bottom-left-radius: 5px; }
 
 GtkFileChooserDialog .search-bar {
   background-color: #ffffff;
@@ -4162,9 +4091,7 @@ GtkPlacesSidebar.sidebar .sidebar-new-bookmark-row {
   GtkVolumeButton.sidebar-button.button, .header-bar .sidebar-button.titlebutton.button,
   .titlebar .sidebar-button.titlebutton.button {
     padding: 5px; }
-  .sidebar-button.button:not(:hover):not(:active) > GtkImage, .header-bar .sidebar-button.button.titlebutton:not(:hover):not(:active) > GtkImage,
-  .titlebar .sidebar-button.button.titlebutton:not(:hover):not(:active) > GtkImage, .sidebar-button.button:backdrop > GtkImage, .header-bar .sidebar-button.button.titlebutton:backdrop > GtkImage,
-  .titlebar .sidebar-button.button.titlebutton:backdrop > GtkImage {
+  .sidebar-button.button:not(:hover):not(:active) > GtkImage, .sidebar-button.button:backdrop > GtkImage {
     opacity: 0.7; }
 
 .sidebar-item {
@@ -4274,17 +4201,10 @@ GtkInfoBar {
       text-shadow: none;
       icon-shadow: none;
       box-shadow: inset 0 1px rgba(255, 255, 255, 0); }
-      .info .button:insensitive > .label, .info .header-bar .button.titlebutton:insensitive > .label,
-      .info .titlebar .button.titlebutton:insensitive > .label,
+      .info .button:insensitive > .label,
       .question .button:insensitive > .label,
-      .question .header-bar .button.titlebutton:insensitive > .label,
-      .question .titlebar .button.titlebutton:insensitive > .label,
       .warning .button:insensitive > .label,
-      .warning .header-bar .button.titlebutton:insensitive > .label,
-      .warning .titlebar .button.titlebutton:insensitive > .label,
-      .error .button:insensitive > .label,
-      .error .header-bar .button.titlebutton:insensitive > .label,
-      .error .titlebar .button.titlebutton:insensitive > .label {
+      .error .button:insensitive > .label {
         color: inherit; }
     .info .button:backdrop,
     .question .button:backdrop,
@@ -4308,17 +4228,10 @@ GtkInfoBar {
         icon-shadow: none;
         box-shadow: inset 0 1px rgba(255, 255, 255, 0);
         border-color: #1c5187; }
-        .info .button:backdrop:insensitive > .label, .info .header-bar .button.titlebutton:backdrop:insensitive > .label,
-        .info .titlebar .button.titlebutton:backdrop:insensitive > .label,
+        .info .button:backdrop:insensitive > .label,
         .question .button:backdrop:insensitive > .label,
-        .question .header-bar .button.titlebutton:backdrop:insensitive > .label,
-        .question .titlebar .button.titlebutton:backdrop:insensitive > .label,
         .warning .button:backdrop:insensitive > .label,
-        .warning .header-bar .button.titlebutton:backdrop:insensitive > .label,
-        .warning .titlebar .button.titlebutton:backdrop:insensitive > .label,
-        .error .button:backdrop:insensitive > .label,
-        .error .header-bar .button.titlebutton:backdrop:insensitive > .label,
-        .error .titlebar .button.titlebutton:backdrop:insensitive > .label {
+        .error .button:backdrop:insensitive > .label {
           color: inherit; }
   .info .label:selected,
   .info .label:selected:focus,