.st__gallery--block .zoom_box {
    display: block;
}
.st__gallery--block .photo {
    padding-top: 100%;
    position: relative;
    overflow: hidden;
}
.st__gallery--block .photo img, .st__gallery--block .photo video {
    width: 100%;
    height: 100% !important;
    position: absolute;
    inset: 0;
    object-fit: cover;
    display: block;
}