#aaa{width:100vw;height:100vh;margin:0;background:#f9fbff;overflow:hidden;display:flex;justify-content:center;align-items:center;position:relative}#webgl{width:800px;height:600px;position:absolute;z-index:1;canvas{position:absolute;top:0}}#webgl2{position:absolute;top:0;left:0;outline:none;z-index:2}#bg-box{width:802px;height:602px}#bg-box,.svg-box{position:absolute;z-index:1}.svg-box{width:800px;height:600px;#robot{cursor:pointer}}