body{margin:0;padding:0;background:#222;font-family:Segoe UI,Arial,sans-serif;color:#fff}#game-container{width:100vw;height:100vh;overflow:hidden}.ui-heart{border:2px solid #fff;border-radius:50%;background:#f6c;width:32px;height:32px;display:inline-block;margin-right:8px}.ui-shield{border:2px solid #fff;border-radius:50%;background:#6cf;width:32px;height:32px;display:inline-block;margin-right:8px}.ui-mute{position:absolute;top:16px;right:16px;font-size:32px;background:#fff;color:#222;border-radius:8px;padding:8px;cursor:pointer;z-index:10}