rename class

src/client/styles/scss/_user.scss

@@ -34,7 +34,7 @@ $easeInOutCubic: cubic-bezier(0.65, 0, 0.35, 1);
   }
 }
 
-.notification-icon {
+.grw-usermenu-notification-icon {
   position: absolute;
   top: -4px;
   left: 30px;