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Hinged Lid Button
A little box whose lid lifts on its back hinge when hovered, letting a glow of your color spill out and a spark float up. Click to throw the lid wide open, and hover out lowers it gently.
Also known as: box open button css, gift box lid animation, open box reveal button, 3d hinged lid hover.
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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
--btn-coloron the element or a parent. Currently previewing#3b82f6. - Base size: set
--btn-size. Every other dimension is inem, so the whole thing scales together. Currently previewing18px. - 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.