body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.game-board {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    margin: 20px;
}

.card {
    width: 100px;
    height: 100px;
    margin: 10px;
    background-color: #fff;
    border: 2px solid #333;
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 24px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.card:hover {
    transform: scale(1.1);
}