body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background: url('background.jpg') center center/cover no-repeat fixed;
}

.game-card {
    width: 200px;
    height: 300px;
    background: #ccc;
    margin: 5px; /* Slightly reduced margin */
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: opacity 0.5s;
}

.game-card.matched {
    opacity: 0;
    pointer-events: none;
}

.game-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0; /* Remove gap between cards */
}

.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: url('background.jpg') center center/cover no-repeat;
    z-index: -1;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s;
}

.game-info {
    text-align: center;
    margin-bottom: 20px;
}

.attempts {
    font-size: 18px;
    font-weight: bold;
}