body{display:flex;justify-content:center;align-items:center;height:100vh;margin:0;background-color:#f0f0f0;font-family:Arial,sans-serif}#game{display:grid;grid-template-columns:repeat(10,40px);grid-template-rows:repeat(10,40px);gap:2px}.cell{width:40px;height:40px;background-color:#ccc;border:1px solid #999;display:flex;justify-content:center;align-items:center;font-size:18px;cursor:pointer}.cell.revealed{background-color:#eee;border-color:#ddd}.cell.mine{background-color:red;color:#fff}