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A chapter picker set in roman numerals. The chosen chapter's initial rises into a stippled frame, a hairline rule draws out from it and the title and dek fade up after, one beat at a time.
Also known as: chapter picker, drop cap animation css, book chapter selector, table of contents radio.
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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.
--rad-color on the element or a parent.
Currently previewing #3b82f6.--rad-size. Every other dimension is in
em, so the whole thing scales together. Currently previewing 18px.transition or animation
shorthand. Staggered delays are relative, so they keep their rhythm.