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Mercury Bead Groove
A chrome bead rolls along a groove in a brushed metal plate, its skin turning at the rate of a real roll under a highlight that stays put. It dips into the chosen well and leans to a hovered one.
Also known as: rolling ball radio buttons, chrome ball selector css, skeuomorphic radio group, metal plate radio buttons.
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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
--rad-coloron the element or a parent. Currently previewing#3b82f6. - Size: set
--rad-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.