body {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: Arial, sans-serif;
}

#player-info, #difficulty {
    margin-bottom: 20px;
}

#board {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-template-rows: repeat(3, 100px);
    gap: 5px;
}

.cell {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background-color: #f0f0f0;
    border: 1px solid #ccc;
    font-size: 2rem;
    cursor: pointer;
}

#leaderboard {
    margin-top: 20px;
    text-align: center;
}

#leaderboardList {
    list-style: none;
    padding: 0;
}

#resetGame {
    margin-top: 20px;
}