Premium
An airport split-flap cell. Checking drops the top flap around the center axle, shading as it falls, to reveal the tick card, and the landed flap bounces once with a click.
Also known as: split flap checkbox, flip board checkbox, departure board animation css, solari board checkbox.
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.
--chk-color on the element or a parent.
Currently previewing #3b82f6.--chk-size. Every other dimension is in
em, so the whole thing scales together. Currently previewing 24px.transition or animation
shorthand. Staggered delays are relative, so they keep their rhythm.