diff --git a/gtk/theme/HighContrast/_common.scss b/gtk/theme/HighContrast/_common.scss
index a890179996..e65f24d3d4 100644
--- a/gtk/theme/HighContrast/_common.scss
+++ b/gtk/theme/HighContrast/_common.scss
@@ -1962,7 +1962,9 @@ treeview ~ scrollbar.vertical {
  **********/
 
 switch {
-    font: bold condensed 9;
+    font-size: smaller;
+    font-stretch: condensed;
+    font-weight: bold;
     outline-offset: -4px;
     // similar to the .scale
     border-width: 1px;
diff --git a/gtk/theme/HighContrast/gtk-contained-inverse.css b/gtk/theme/HighContrast/gtk-contained-inverse.css
index bf886305c3..244a133372 100644
--- a/gtk/theme/HighContrast/gtk-contained-inverse.css
+++ b/gtk/theme/HighContrast/gtk-contained-inverse.css
@@ -2043,7 +2043,9 @@ treeview ~ scrollbar.vertical {
  * Switch *
  **********/
 switch {
-  font: bold condensed 9;
+  font-size: smaller;
+  font-stretch: condensed;
+  font-weight: bold;
   outline-offset: -4px;
   border-width: 1px;
   border-style: solid;
diff --git a/gtk/theme/HighContrast/gtk-contained.css b/gtk/theme/HighContrast/gtk-contained.css
index e72e21a039..53799b6157 100644
--- a/gtk/theme/HighContrast/gtk-contained.css
+++ b/gtk/theme/HighContrast/gtk-contained.css
@@ -2047,7 +2047,9 @@ treeview ~ scrollbar.vertical {
  * Switch *
  **********/
 switch {
-  font: bold condensed 9;
+  font-size: smaller;
+  font-stretch: condensed;
+  font-weight: bold;
   outline-offset: -4px;
   border-width: 1px;
   border-style: solid;