Premium
A sealed glass capsule tilts and a bead of mercury rolls to the far end, squashes against the glass and jiggles to rest. Then the two contacts it bridges light up in the accent.
Also known as: mercury switch toggle, tilt switch css, glass capsule toggle, liquid metal switch.
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.
--tgl-color on the element or a parent.
Currently previewing #3b82f6.--tgl-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.