html,body{color:#f4f4f4;background:#05070a;width:100%;height:100%;margin:0;font-family:system-ui,sans-serif;overflow:hidden}#game{width:100vw;height:100vh;display:block}#menu{text-align:center;background:#0c121cf2;border:1px solid #7d8da3;min-width:420px;padding:24px;position:fixed;inset:8% auto auto 50%;transform:translate(-50%);box-shadow:0 16px 42px #00000073}#menu button{color:#fff;cursor:pointer;background:#2e4058;border:1px solid #a9b6c8;margin:6px;padding:10px 14px}#menu button:disabled{opacity:.45;cursor:not-allowed}