.fancybox-gallery {
    display: grid;
}
.fill-image {
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    flex-direction: column;
}
.fill-image img {
    min-height:100%;
    min-width: 100%;
    object-fit: cover;
}
.preserve-aspect-ratios .fill-image img {
    object-fit: contain;
}