use css variables

apps/app/src/styles/_dropdown.scss

@@ -4,13 +4,13 @@
 // == Colors
 @include bs.color-mode(light) {
   .dropdown-item:active{
-    color: #403c39;
-    background-color: #efeeed;
+    --bs-dropdown-link-active-color: #{( bs.$gray-600 )};
+    --bs-dropdown-link-active-bg: #{( bs.$gray-200 )};
   }
 }
 
 @include bs.color-mode(dark) {
   .dropdown-item:active{
-    background-color: #535c5a;
+    --bs-dropdown-link-active-bg: #{( bs.$gray-700 )};
   }
 }