diff --git a/css/structure/variables.css b/css/structure/variables.css
index edcf9d1..c23d154 100644
--- a/css/structure/variables.css
+++ b/css/structure/variables.css
@@ -15,6 +15,7 @@
   --light-color: #FFFFFF;
   --table-color: #F5F5F5;
   --default-color: #F9F9F9;
+  --default-color-rgb: 249, 249, 249;
   --light-blue: #F4F8F9;
   --danger-color: #BB121A;