diff --git a/addons/website_sale/static/src/css/website_sale.css b/addons/website_sale/static/src/css/website_sale.css
index 00f50208c63..096f101c482 100644
--- a/addons/website_sale/static/src/css/website_sale.css
+++ b/addons/website_sale/static/src/css/website_sale.css
@@ -257,12 +257,15 @@
   border: 1px #dddddd solid;
   cursor: pointer;
 }
-#products_grid .css_options .dropdown [name="size"] td.selected, #products_grid .css_options .dropdown [name="size"] td.select {
+#products_grid .css_options .dropdown [name="size"] td.selected {
   background-color: #b1d4f1;
 }
-#products_grid .css_options .dropdown [name="size"] table.oe_hover td.selected:not(.select) {
+#products_grid .css_options .dropdown [name="size"] table.oe_hover td.selected {
   background-color: transparent;
 }
+#products_grid .css_options .dropdown [name="size"] table.oe_hover td.select {
+  background-color: #b1d4f1;
+}
 
 .cke_editable #products_grid .oe_product_cart:hover > .css_options {
   display: block;
diff --git a/addons/website_sale/static/src/css/website_sale.sass b/addons/website_sale/static/src/css/website_sale.sass
index cd05d61511a..90ed57c4870 100644
--- a/addons/website_sale/static/src/css/website_sale.sass
+++ b/addons/website_sale/static/src/css/website_sale.sass
@@ -220,10 +220,12 @@
                 height: 20px
                 border: 1px #dddddd solid
                 cursor: pointer
-                &.selected, &.select
+                &.selected
                     background-color: #B1D4F1
-            table.oe_hover td.selected:not(.select)
+            table.oe_hover td.selected
                 background-color: transparent
+            table.oe_hover td.select
+                background-color: #B1D4F1
 
 .cke_editable
     #products_grid .oe_product_cart:hover > .css_options