Premium
The black capsule knob swells into a wide island that says Focus On, then shrinks into the knob at the far end. A clip-path inset morph, so the text inside never stretches.
Also known as: dynamic island toggle css, dynamic island animation css, ios focus mode toggle, morphing pill toggle.
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.