Adjust navigation buttons in floating player

Author: toshokanneko

ui/scss/component/_content.scss

@@ -729,6 +729,10 @@
       box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.15) !important;
       background: rgba(0, 0, 0, 0.4) !important;
       border-radius: 50% !important;
+
+      &:hover {
+        background: rgba(0, 0, 0, 0.6) !important;
+      }
     }
 
     @media (max-width: $breakpoint-small) {