:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif}html,body{margin:0;padding:0;overflow:hidden;touch-action:none}canvas{width:100%;height:100%;display:block}#info{position:fixed;bottom:100px;left:50%;transform:translate(-50%);background:#333c;color:#fff;font-size:1em;padding:10px;border-radius:8px;z-index:10000;-webkit-user-select:none;user-select:none}