body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

.game-container {
    text-align: center;
}

h1 {
    color: #333;
}

.controls {
    margin: 20px 0;
}

select, button {
    padding: 8px 16px;
    margin: 0 10px;
    font-size: 16px;
}

.board {
    display: grid;
    gap: 2px;
    background-color: #999;
    padding: 5px;
    border-radius: 5px;
}

.cell {
    width: 30px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #ccc;
    cursor: pointer;
    font-weight: bold;
    border-radius: 3px;
}

.cell.revealed {
    background-color: #fff;
}

.cell.mine {
    background-color: #ff0000;
}

.cell.flagged {
    background-image: url('images/flag.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

.status {
    margin-top: 20px;
    font-size: 18px;
    color: #333;
}