Premium
A sign-off row: checking writes a cursive signature along the line, and its last loop swings up into the box as the tick. Then the signature dries to ink while the tick keeps the accent.
Also known as: signature checkbox, sign off checkbox animation, approval signature css, handwriting checkmark.
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.