Thread:Tigrouille/@comment-27996636-20170929165017/@comment-27095448-20171011101510

or you can add this CSS: .GalleryBanners .wikia-slideshow-images.neutral { height: 100px !important; }

but you must englobing gallery in another balise with a custom class like howver whithout custom class on parent of Gallery, CSS will affect all galleries: