style.css

#gallery .thumbnails {flex-direction: column !important;display: inline-flex !important;flex-wrap: wrap !important; position: relative !important;}
#gallery caption.caption {flex-direction: row !important;display: inline-flex !important;flex-wrap: wrap;white-space: unset !important;}
#gallery .image-button img.with-caption {object-fit: cover !important;object-position: center !important;}
#gallery button.preview {position: relative !important;}