body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: black;
}

.game-container {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-gap: 2px;
    background-color: #333;
}

.cell {
    width: 100px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    color: #fff;
    background-color: #444;
    cursor: pointer;
    user-select: none;
}

.scoreboard {
    margin-top: 20px;
    text-align: center;
    font-size: 18px;
}