AI CSS Animations

Premium

Markdown Rendering Live

A reply streams in as raw markdown, then each block folds its syntax away: hashes shrink, asterisks spin out, dashes become springy bullets and a code pill grows as the text restyles into type.

Also known as: markdown streaming render animation, chat markdown rendering css, raw markdown to formatted text, streaming markdown parser ui.

Retries, done right
Calls now back off after a 429.
Wait with full jitter
Wrap calls in withRetry()

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Unlock the HTML and CSS

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 --aia-color on the element or a parent. Currently previewing #3b82f6.
  • Base size: set --aia-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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