diff --git a/css/css-variables.scss b/css/css-variables.scss
index cbedc14f8..759eae293 100644
--- a/css/css-variables.scss
+++ b/css/css-variables.scss
@@ -70,8 +70,8 @@ $primary-text-color: #333333 !default;
 $secondary-text-color: $grey-color !default;
 $error-text-color: $white !default;
 $highlight-text-color: #363636 !default;
-$hover-background-color: #fde17c;
-$border-highlight-color: #f26522;
+$hover-background-color: #fde17c !default;
+$border-highlight-color: #f26522 !default;
 $highlight-item-color: $white !default;
 $content-color: #eeeeee !default; 
 $default-font-family: Trebuchet MS,Tahoma,Verdana,Arial,sans-serif !default;