.sm2-bar-ui {
 font-size: 15px;
}
.sm2-bar-ui .sm2-main-controls,
.sm2-bar-ui .sm2-playlist-drawer {
 background-color: #000000; /* non-RGBA fallback */
 background-color: rgba(0, 0, 0, 0.8);
}
.sm2-bar-ui .sm2-inline-texture {
 background: transparent;
}

.sm2-playlist-wrapper {
 padding-left: 8px;
  margin-top: 10px;
   margin-bottom: 5px;
}