:root{font-family:Inter,Avenir,Helvetica,Arial,sans-serif;color:#ffffffde;background-color:#252525;display:flex;justify-content:center}body{margin:0;display:flex;place-items:center;min-height:100vh}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s;margin-left:20px}button:hover{border-color:#646cff}.cell{background-color:#000}.live{background-color:#fff}header{display:flex;justify-content:space-between;margin:0 1em}main{display:grid;gap:1px;outline:solid 1px white}.buttons{display:flex;place-items:center}