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Moire Interference Button
A dark pill holding two fine sets of concentric rings. On hover one set slides and scales against the other, so interference fringes bloom, sweep across the button and settle.
Also known as: moire effect css, op art button hover, concentric rings interference, interference pattern button.
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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.