Premium
A Launch button with a spring plunger: hold and the knob pulls back as the coils bunch up, release and a chrome ball ricochets across, lighting each letter. Let go early and it eases back.
Also known as: pinball button css, hold and release button, launch button animation, spring plunger animation.
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.
--btn-color on the element or a parent.
Currently previewing #3b82f6.--btn-size. Every other dimension is in
em, so the whole thing scales together. Currently previewing 18px.transition or animation
shorthand. Staggered delays are relative, so they keep their rhythm.