body,html{background-color:#000;height:100%;margin:0;overflow:hidden;width:800px}body,canvas,html{touch-action:none}canvas{left:50%;position:absolute;top:50%;transform:translate(-50%,-50%)}*{-webkit-touch-callout:none;-webkit-text-size-adjust:none;-webkit-tap-highlight-color:rgba(255,255,255,0);-webkit-font-smoothing:antialiased;-webkit-user-select:none;-moz-user-select:-moz-none;-ms-user-select:none;user-select:none}