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A white-hot point burns the tick into a dark anodized plate. The line cools behind it from white to the accent to a deep engraved shade while an ember glow decays along the path.
Also known as: laser engrave checkbox, metal plate checkmark css, glowing etch animation, engraved tick 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.