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Moire Interference
Two circular line gratings sit on top of each other and one drifts in a small circle, so moire fringes bloom, swing round the disc and dissolve back into calm rings.
Also known as: moire pattern loader, op art loader css, interference pattern animation, concentric circles moire.
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Unlock the HTML and CSS
Everything you see above is live. Basic and Pro include every premium piece, with the HTML and CSS ready to copy, plus Motions in Claude Code on Pro.
Customizing this loader
- Color: set
--ldr-coloron the element or a parent. Currently previewing#3b82f6. - Size: set
--ldr-size. Every dimension in the snippet is derived from it. Currently previewing64px. - Speed: change the duration on the
animationshorthand. Delays on the children are relative, so they keep their rhythm. - Accessibility: the root carries
role="status"and anaria-labelso screen readers announce the wait. The reduced-motion rule at the end slows the animation for users who asked for less motion.