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

.game-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.game-board {
    display: grid;
    grid-template-columns: repeat(4, 100px);
    grid-gap: 10px;
}

.card {
    width: 100px;
    height: 100px;
    background-color: #333;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    cursor: pointer;
    position: relative;
    transform: rotateY(0deg);
    transition: transform 0.5s;
}

.card.flip {
    transform: rotateY(180deg);
}

.card .front,
.card .back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card .front {
    background-color: #f9f9f9;
    color: #333;
}

.card .back {
    background-color: #333;
    color: white;
    transform: rotateY(180deg);
}