ul.photoGalleryList {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
}
ul.photoGalleryList li {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #ddd;
}
ul.photoGalleryList li a {
    display: inline-block;
    width: 100%;
    text-align: center;
}
ul.photoGalleryList li a img {
    padding-bottom: 10px;
}