Clear cache if lightboxes do not appear here due to being permanently cached. <ol><li>Link to content: for aggregated small slicks.</li><li>Image to iframe: video is hidden below image until toggled, otherwise iframe is always displayed, and draggable fails. Aspect ratio applies.</li><li>(Quasi-)lightboxes: Colorbox, ElevateZoomPlus, Intense, Photobox, PhotoSwipe, Magnific Popup, Slick Lightbox, Splidebox, Zooming, etc. Depends on the enabled supported modules, or has known integration with Blazy. See docs or <em>/admin/help/blazy_ui</em> for details.</li></ol> Add <em>Thumbnail style</em> if using Photobox, Slick, or others which may need it. Try selecting "<strong>- None -</strong>" first before changing if trouble with this complex form states.