diff --git a/addons/point_of_sale/static/src/css/pos.css b/addons/point_of_sale/static/src/css/pos.css
index b7f2c840eb4..33a1808f5ac 100644
--- a/addons/point_of_sale/static/src/css/pos.css
+++ b/addons/point_of_sale/static/src/css/pos.css
@@ -561,6 +561,7 @@ td {
 .pos .category-list{
     text-align: left;
     padding: 10px;
+    background: rgb(229, 229, 229);
 }
 /*  d) the category button */