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A frosted glass tile sits over a soft accent light. Checking raises the light behind the glass until it glows from inside, then etches a tick in with a rim of light along the top.
Also known as: frosted glass checkbox, glassmorphism checkbox, glowing checkbox css, backdrop filter checkbox.
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.