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Proofreader Insert Mark
A sentence missing a word. On hover a blue pencil caret pops up under the gap, the words step aside to make room, the word drops in by hand with a small bounce, and a margin tick draws.
Also known as: proofreading mark animation, insert word hover css, editor caret mark, copy edit animation.
The best edits are almost invisible.
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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.
Customizing this snippet
- Color: set
--hfx-coloron the element or a parent. Currently previewing#3b82f6. - Base size: set
--hfx-size. Every other dimension is inem, so the whole thing scales together. Currently previewing16px. - Speed: change the duration on the
transitionoranimationshorthand. Staggered delays are relative, so they keep their rhythm. - Reduced motion: the rule at the end of the CSS turns the motion off for people who asked their OS for less of it. Keep it.