body{margin:0;overflow:hidden;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;-webkit-user-select:none;user-select:none;background-color:#000}#ui{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}#score-board{position:absolute;top:20px;left:20px;color:#fff;font-size:24px;font-weight:700;text-shadow:2px 2px 4px rgba(0,0,0,.8)}#status{position:absolute;bottom:20px;left:20px;color:#fff;font-size:20px;text-shadow:2px 2px 4px rgba(0,0,0,.8)}#controls{position:absolute;top:20px;right:20px;color:#ffffffb3;font-size:16px;text-align:right}#game-over{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000d9;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#f44;pointer-events:auto}#game-over.hidden{display:none}h1{font-size:72px;margin:0 0 20px;font-family:Creepster,cursive,sans-serif}p{color:#fff;font-size:24px}button{margin-top:30px;padding:15px 40px;font-size:20px;background:#f44;color:#fff;border:none;border-radius:5px;cursor:pointer;transition:background .2s}button:hover{background:#f66}