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Ruben Ramirez 9553a305b4 Fix animation snaps and add new Breath effect
- Fix #4 striped loader snap: use precise 28.28px background-size for seamless loop
- Fix #6 glow border: animate gradient using pseudo-element with mask-composite
- Add #8 Breath: new symmetric in-out aura animation (dim→bright→dim)
- Update count to 8 animated backgrounds
2026-02-17 18:03:08 -06:00
animated-backgrounds.html Fix animation snaps and add new Breath effect 2026-02-17 18:03:08 -06:00
README.md Add 7 animated CSS background effects with live demos 2026-02-17 16:37:37 -06:00

CSS Animated Backgrounds

A collection of 7 beautiful animated CSS gradient backgrounds. Each effect is demonstrated with live examples and copy-ready code.

Usage

Simply open animated-backgrounds.html in your browser to see all effects in action.

Effects

# Effect Description
1 Classic Gradient Smooth shifting 4-color gradient with oversized background for motion
2 Aurora Borealis Multiple animated layers with organic, unpredictable northern lights effect
3 Shimmer Text Gradient lives inside letters using background-clip: text
4 Striped Loader Repeating gradient creates scrolling diagonal stripes
5 Gradient Wave Simple two-color gradient with sine-wave like motion
6 Glow Border Neon-style outline using gradient border-image
7 Pulse Aura Breathing halo effect using ::before pseudo-element

Copying Code

Each demo card includes the full CSS code needed to implement that effect. Click and copy the code block directly from the page.

Techniques Used

  • Gradient animations: Using background-size + background-position animation
  • Multiple layers: Stacking radial gradients with mix-blend-mode: screen
  • Pseudo-elements: ::before and ::after for additional animated layers
  • Text clipping: background-clip: text for gradient text effects
  • Repeating gradients: repeating-linear-gradient for stripe patterns

Browser Support

Works in all modern browsers that support:

  • CSS gradients
  • CSS animations
  • background-clip: text
  • mix-blend-mode