*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden}body{background:linear-gradient(to bottom,#2472c4,#3f8ed8 38%,#7bb4e6 68%,#b7d9f1 88%,#d8ebf6)}canvas#scene{display:block;width:100%;height:100%;position:absolute;top:0;left:0;z-index:1}.music-toggle{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10;width:560px;cursor:pointer;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation}#music-canvas{display:block;width:100%;height:auto}