AI CSS Animations

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Firework Bloom

A rocket climbs on a fading tail and bursts into twelve sparks that fly out while their own Y animation drags them down under gravity, then twinkle out as a smaller, lighter bloom answers.

Also known as: css fireworks animation, firework burst animation, fireworks no javascript, celebration fireworks css.

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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.

Customizing this snippet

  • Color: set --kfa-color on the element or a parent. Currently previewing #3b82f6.
  • Base size: set --kfa-size. Every other dimension is in em, so the whole thing scales together. Currently previewing 16px.
  • Speed: change the duration on the transition or animation shorthand. Staggered delays are relative, so they keep their rhythm.
  • Reduced motion: the rule at the end of the CSS turns the motion off for people who asked their OS for less of it. Keep it.

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