*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:#000;-webkit-user-select:none;user-select:none;overscroll-behavior:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}#game{width:100%;height:100%;overflow:hidden;touch-action:none}canvas{display:block;touch-action:none;-webkit-touch-callout:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}