diff --git a/assets/base.styl b/assets/base.styl
index 7affeb0701..15d849c8c2 100644
--- a/assets/base.styl
+++ b/assets/base.styl
@@ -201,6 +201,7 @@ colorItemsPerRow = 7
       padding: 4px 0px
     .ql-picker-item
       height: controlHeight
+      width: controlHeight
       padding: 2px 4px
   .ql-color-picker
     .ql-picker-options