diff --git a/themes/classic/editor/mac/EditorDialog.css b/themes/classic/editor/mac/EditorDialog.css
index 57b0e1f607c..452483a215e 100644
--- a/themes/classic/editor/mac/EditorDialog.css
+++ b/themes/classic/editor/mac/EditorDialog.css
@@ -99,7 +99,7 @@ titledbox {
 
 button.color-button {
   /* need to override large default min-width */
-  min-width : 44px;
+  min-width : 37px;
 }
 
 #ColorPickerSwatch {
diff --git a/themes/classic/editor/win/EditorDialog.css b/themes/classic/editor/win/EditorDialog.css
index 57b0e1f607c..5d293d00a27 100644
--- a/themes/classic/editor/win/EditorDialog.css
+++ b/themes/classic/editor/win/EditorDialog.css
@@ -99,7 +99,7 @@ titledbox {
 
 button.color-button {
   /* need to override large default min-width */
-  min-width : 44px;
+  min-width : 34px;
 }
 
 #ColorPickerSwatch {