*{margin:0;padding:0}html,body{overflow:hidden}.webgl{position:fixed;top:0;left:0;outline:none}.music-btn{position:fixed;bottom:25px;right:25px;width:45px;height:45px;border:none;border-radius:50%;background:#ffffff26;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;font-size:1.4rem;cursor:pointer;transition:all .3s ease;z-index:10}.music-btn:hover{background:#ffffff59;transform:scale(1.1)}.music-btn.playing{color:#0fc;transform:rotate(20deg)}