diff --git a/gtk/gtkrender.c b/gtk/gtkrender.c
index bfdad8e6ec..f395bece97 100644
--- a/gtk/gtkrender.c
+++ b/gtk/gtkrender.c
@@ -939,7 +939,7 @@ render_frame_internal (GtkStyleContext  *context,
       colors[3] = *_gtk_css_rgba_value_get_rgba (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BORDER_LEFT_COLOR));
 
       _gtk_rounded_box_init_rect (&border_box, x, y, width, height);
-      _gtk_rounded_box_apply_border_radius_for_context (&border_box, context, junction);
+      _gtk_rounded_box_apply_border_radius_for_style (&border_box, gtk_style_context_lookup_style (context), junction);
 
       render_border (cr, &border_box, border_width, hidden_side, colors, border_style);
     }
@@ -1185,7 +1185,7 @@ gtk_do_render_focus (GtkStyleContext *context,
                                - border_width[GTK_CSS_RIGHT] - offset,
                                - border_width[GTK_CSS_LEFT] - offset,
                                - border_width[GTK_CSS_BOTTOM] - offset);
-      _gtk_rounded_box_apply_outline_radius_for_context (&border_box, context, GTK_JUNCTION_NONE);
+      _gtk_rounded_box_apply_outline_radius_for_style (&border_box, gtk_style_context_lookup_style (context), GTK_JUNCTION_NONE);
 
       render_border (cr, &border_box, border_width, 0, colors, border_style);
     }
@@ -2477,7 +2477,7 @@ gtk_render_content_path (GtkStyleContext *context,
   g_return_if_fail (cr != NULL);
 
   _gtk_rounded_box_init_rect (&box, x, y, width, height);
-  _gtk_rounded_box_apply_border_radius_for_context (&box, context, 0);
+  _gtk_rounded_box_apply_border_radius_for_style (&box, gtk_style_context_lookup_style (context), 0);
 
   _gtk_rounded_box_shrink (&box,
                            _gtk_css_number_value_get (_gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BORDER_TOP_WIDTH), 100)
diff --git a/gtk/gtkroundedbox.c b/gtk/gtkroundedbox.c
index b439a8f746..bbc89452ae 100644
--- a/gtk/gtkroundedbox.c
+++ b/gtk/gtkroundedbox.c
@@ -115,31 +115,31 @@ _gtk_rounded_box_apply_border_radius (GtkRoundedBox *box,
 }
 
 void
-_gtk_rounded_box_apply_border_radius_for_context (GtkRoundedBox    *box,
-                                                  GtkStyleContext  *context,
-                                                  GtkJunctionSides  junction)
+_gtk_rounded_box_apply_border_radius_for_style (GtkRoundedBox    *box,
+                                                GtkCssStyle      *style,
+                                                GtkJunctionSides  junction)
 {
   GtkCssValue *corner[4];
 
-  corner[GTK_CSS_TOP_LEFT] = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS);
-  corner[GTK_CSS_TOP_RIGHT] = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BORDER_TOP_RIGHT_RADIUS);
-  corner[GTK_CSS_BOTTOM_LEFT] = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BORDER_BOTTOM_LEFT_RADIUS);
-  corner[GTK_CSS_BOTTOM_RIGHT] = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_BORDER_BOTTOM_RIGHT_RADIUS);
+  corner[GTK_CSS_TOP_LEFT] = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS);
+  corner[GTK_CSS_TOP_RIGHT] = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_RIGHT_RADIUS);
+  corner[GTK_CSS_BOTTOM_LEFT] = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_LEFT_RADIUS);
+  corner[GTK_CSS_BOTTOM_RIGHT] = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_RIGHT_RADIUS);
 
   _gtk_rounded_box_apply_border_radius (box, corner, junction);
 }
 
 void
-_gtk_rounded_box_apply_outline_radius_for_context (GtkRoundedBox    *box,
-                                                   GtkStyleContext  *context,
-                                                   GtkJunctionSides  junction)
+_gtk_rounded_box_apply_outline_radius_for_style (GtkRoundedBox    *box,
+                                                 GtkCssStyle      *style,
+                                                 GtkJunctionSides  junction)
 {
   GtkCssValue *corner[4];
 
-  corner[GTK_CSS_TOP_LEFT] = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_OUTLINE_TOP_LEFT_RADIUS);
-  corner[GTK_CSS_TOP_RIGHT] = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_OUTLINE_TOP_RIGHT_RADIUS);
-  corner[GTK_CSS_BOTTOM_LEFT] = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_OUTLINE_BOTTOM_LEFT_RADIUS);
-  corner[GTK_CSS_BOTTOM_RIGHT] = _gtk_style_context_peek_property (context, GTK_CSS_PROPERTY_OUTLINE_BOTTOM_RIGHT_RADIUS);
+  corner[GTK_CSS_TOP_LEFT] = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_TOP_LEFT_RADIUS);
+  corner[GTK_CSS_TOP_RIGHT] = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_TOP_RIGHT_RADIUS);
+  corner[GTK_CSS_BOTTOM_LEFT] = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_BOTTOM_LEFT_RADIUS);
+  corner[GTK_CSS_BOTTOM_RIGHT] = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_OUTLINE_BOTTOM_RIGHT_RADIUS);
 
   _gtk_rounded_box_apply_border_radius (box, corner, junction);
 }
diff --git a/gtk/gtkroundedboxprivate.h b/gtk/gtkroundedboxprivate.h
index 3f98e20de6..cdbf1e15ce 100644
--- a/gtk/gtkroundedboxprivate.h
+++ b/gtk/gtkroundedboxprivate.h
@@ -47,13 +47,13 @@ void            _gtk_rounded_box_init_rect                      (GtkRoundedBox
                                                                  double               width,
                                                                  double               height);
 
-void            _gtk_rounded_box_apply_border_radius_for_context (GtkRoundedBox      *box,
-                                                                 GtkStyleContext     *context,
+void            _gtk_rounded_box_apply_border_radius_for_style  (GtkRoundedBox       *box,
+                                                                 GtkCssStyle         *style,
                                                                  GtkJunctionSides     junction);
 
-void            _gtk_rounded_box_apply_outline_radius_for_context (GtkRoundedBox       *box,
-                                                                   GtkStyleContext     *context,
-                                                                   GtkJunctionSides     junction);
+void            _gtk_rounded_box_apply_outline_radius_for_style (GtkRoundedBox       *box,
+                                                                 GtkCssStyle         *style,
+                                                                 GtkJunctionSides     junction);
 
 void            _gtk_rounded_box_grow                           (GtkRoundedBox       *box,
                                                                  double               top,
diff --git a/gtk/gtkthemingbackground.c b/gtk/gtkthemingbackground.c
index 3478f285c0..8cd8a4b7a8 100644
--- a/gtk/gtkthemingbackground.c
+++ b/gtk/gtkthemingbackground.c
@@ -278,7 +278,7 @@ _gtk_theming_background_init_context (GtkThemingBackground *bg,
    * right now we just shrink to the default.
    */
   _gtk_rounded_box_init_rect (&bg->boxes[GTK_CSS_AREA_BORDER_BOX], 0, 0, width, height);
-  _gtk_rounded_box_apply_border_radius_for_context (&bg->boxes[GTK_CSS_AREA_BORDER_BOX], bg->context, junction);
+  _gtk_rounded_box_apply_border_radius_for_style (&bg->boxes[GTK_CSS_AREA_BORDER_BOX], gtk_style_context_lookup_style (bg->context), junction);
 
   bg->boxes[GTK_CSS_AREA_PADDING_BOX] = bg->boxes[GTK_CSS_AREA_BORDER_BOX];
   _gtk_rounded_box_shrink (&bg->boxes[GTK_CSS_AREA_PADDING_BOX],