*{margin:0;padding:0;box-sizing:border-box}body{overflow:hidden;background-color:#87ceeb;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}#gameCanvas{display:block;width:100vw;height:100vh;position:fixed;top:0;left:0}