#sp-music-btn{position:fixed;left:16px;bottom:16px;z-index:9998;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(20,20,30,.6);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:.7;backdrop-filter:blur(4px);padding:0}
#sp-music-btn:hover,#sp-music-btn:focus-visible{opacity:1}
#sp-music-btn svg{width:20px;height:20px}