Premium
A book opens flat and a paper city rises with it: a skyline stands up on the gutter fold, a bridge arches up and an accent sun lifts on its tab, then it all folds shut.
Also known as: pop up book animation, paper city css, isometric book opening, paper engineering animation.
Premium
Everything you see above is live. Basic and Pro include every premium piece, with the HTML and CSS ready to copy, plus the Tailwind version where there is one and Motions in Claude Code on Pro.
--hln-color on the element or a parent.
Currently previewing #3b82f6.--hln-size. Every other dimension is in
em, so the whole thing scales together. Currently previewing 16px.transition or animation
shorthand. Staggered delays are relative, so they keep their rhythm.