Premium
Two striped polarizer discs overlap. Checking turns the top disc: the overlap goes dark as the stripes cross, then clears to show the tick once they line up and the axis marks meet.
Also known as: polarizer checkbox, polarized light checkbox, rotating disc checkbox, moire checkbox css.
Premium
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.
--chk-color on the element or a parent.
Currently previewing #3b82f6.--chk-size. Every other dimension is in
em, so the whole thing scales together. Currently previewing 24px.transition or animation
shorthand. Staggered delays are relative, so they keep their rhythm.