html,body{color:#fff;-webkit-user-select:none;user-select:none;touch-action:none;background:#1b1f2e;height:100%;margin:0;font:500 14px/1.35 system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;overflow:hidden}#game{position:fixed;top:0;bottom:0;left:0;right:0}#game canvas{display:block}#build{right:6px;bottom:max(4px, env(safe-area-inset-bottom));z-index:50;opacity:.55;pointer-events:none;font-size:11px;position:fixed}.btn{font:inherit;cursor:pointer;background:#e6e6e6;border:2px solid #000;border-radius:8px;padding:8px 16px}.btn.primary{background:#ffd27a}.ad-stub{z-index:200;background:#000a;justify-content:center;align-items:center;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.ad-stub>div{text-align:center;background:#2a2f45;border-radius:12px;max-width:320px;padding:20px 24px}