∞ forever components

Loaders

Equalizer Bars

Seven pill-shaped vermillion-to-tan gradient bars bounce at staggered offsets, mimicking an audio equalizer. Pure CSS scaleY animation.

csslight complexitymoderate motion

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When to use it

Music apps, audio players, loading states, or any context where an audio/media metaphor fits the brand.

When not to

Static content pages or contexts where looping motion distracts from primary content; reduced-motion users get a near-static fallback only.

Working with an AI agent

Every component ships agent-ready metadata. An example instruction for this one:

Change bar count to 5 by removing 2 span elements, set --accent-iris to #ff3b6b and --accent-cyan to #ff9f43, slow the bounce to 1.6s. Theme: dark tokens live in :root, the light variant in :root[data-theme="light"]; ?theme=light or a {type:'forever:theme'} postMessage switches at runtime.

Safe to edit

  • bar count (number of .c08-eq__bar spans)
  • animation duration (1.1s in animation shorthand)
  • gradient colors (--accent-iris, --accent-cyan)
  • bar height percentages per nth-child
  • gap between bars (clamp gap value)
  • theme tokens (:root dark defaults + [data-theme=light] overrides)

Keep intact

  • visibilitychange pause in IIFE
  • prefers-reduced-motion guard
  • c08- namespaced class prefix (avoids conflicts)
  • transform-origin:bottom on bars
  • theme hook (?theme= bootstrap + forever:theme message listener + theme tokens)

Known limitations

  • Reduced-motion fallback freezes bars mid-animation rather than removing them — not fully static
  • Bar heights are hardcoded per nth-child — adding/removing bars requires manual height assignment

equalizerloaderbarsaudiogradientloopui

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