main {
    align-items: center;
    background-image: url('../../Pictures/bibliothek.jpg');
    background-repeat: no-repeat;
    background-position: bottom center;
    background-attachment: fixed;
    background-size: cover;
}

.box .picture img {
    width: calc(100vw / 3);
    border-radius: 5px;

}

.box details {
    border: 5px solid var(--link-color);
    padding: 10px;
    border-radius: 5px;
    background-color: rgba(255, 255, 255, 0.5);
}

.box details summary {
    font-weight: bold;
}

.box details .details-text {
    margin-left: 16px;
    margin-right: 16px;
}