*{box-sizing:border-box;margin:0;padding:0}html,body{-webkit-tap-highlight-color:transparent;touch-action:none;-webkit-user-select:none;user-select:none;background:#000;width:100%;height:100%;font-family:PingFang SC,Microsoft YaHei,sans-serif;overflow:hidden}body{justify-content:center;align-items:center;display:flex}#game-wrapper{border-radius:4px;position:relative;overflow:hidden;box-shadow:0 0 40px #4fc3f733}#game-wrapper canvas{width:100%;height:100%;display:block}