AI CSS Animations

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Stained Glass Leading

A border of colored glass panes set in dark lead came. Sunlight crosses behind the window in a slow diagonal band, so panes brighten one after another with a soft bloom.

Also known as: stained glass border css, leaded glass frame, church window border, glass mosaic border css.

Morning light

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