.content-element-card-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    flex-direction: row;
}

.content-element-card {
    cursor: pointer;
    width: 200px;
    height: 200px;
}

.content-element-card.selected {
    border: 2px solid blue;
}

.add-content-button {
    width: 100%;
}