body,h1,h2{margin:0;padding:0}div p,h1,h2{background:rgba(0,0,0,.77)}html{box-sizing:border-box}html *{box-sizing:inherit}body{color:#fff;background-color:#232927}#game{margin:5px auto;display:block;border:3px solid #111}h1,h2{text-align:center}button{background:#ff0;border:double #000}div{text-align:left;margin-top:5px}div p{max-width:320px;margin:auto;padding:10px}kbd{background:#ffffe0;color:#000;border:1px solid #d3d3d3;display:inline-block;padding:5px 2px;margin-bottom:5px}