html,body{width:100%;height:100%;margin:0;overflow:hidden;background:#c9c9c9;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;font-family:Arial,Microsoft YaHei,sans-serif}#game{display:block;width:100vw;height:100vh;background:#c9c9c9}