fix: background for queue cont.

src/features/layout.css

@@ -112,16 +112,24 @@ yt-multi-page-menu-section-renderer.ytd-multi-page-menu-renderer {
   position: relative;
 }
 
-.side-panel.modular ytmusic-player-queue-item .song-info .bytm-queue-btn-container {
+.side-panel.modular ytmusic-player-queue-item .bytm-queue-btn-container {
+  background-color: black;
   display: none;
   position: absolute;
   right: 0;
 }
 
-.side-panel.modular ytmusic-player-queue-item:hover .song-info .bytm-queue-btn-container {
+.side-panel.modular ytmusic-player-queue-item:hover .bytm-queue-btn-container {
   display: inline-block;
 }
 
+.side-panel.modular ytmusic-player-queue-item[play-button-state="loading"] .bytm-queue-btn-container,
+.side-panel.modular ytmusic-player-queue-item[play-button-state="playing"] .bytm-queue-btn-container,
+.side-panel.modular ytmusic-player-queue-item[play-button-state="paused"] .bytm-queue-btn-container {
+  /* using a var() is not viable since the nesting changes the actual value of the variable */
+  background-color: #1d1d1d;
+}
+
 ytmusic-app ytmusic-popup-container tp-yt-iron-dropdown[data-bytm-hidden=true] {
   display: none !important;
 }