body{margin:0;overflow:hidden;font-family:sans-serif;background-color:#000}#app{width:100vw;height:100vh}#ui{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.5);z-index:10}#score{position:absolute;top:20px;right:20px;font-size:24px}#message{font-size:48px;background:#000000b3;padding:40px;border-radius:20px;text-align:center;border:4px solid white}