body, html {
    height: 100%;
    margin: 0;
    overflow: hidden;
    background-image: url('img/background.jpg');
    background-size: cover;
    background-position: center;
    position: relative;
}

.card {
    width: 300px;
    height: 200px;
    position: absolute;
    transition: transform 0.6s;
}

img {
    width: 100%;
    height: 100%;
}

@media (max-width: 600px) {
    .card {
        width: 150px; /* Anpassung der Kartengröße für mobile Geräte */
        height: 100px;
    }
}