Rainbow Spectrum Card

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Background:
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<div class="rainbow_spectrum_card_input">
  <div class="gradient-wrapper">
    <div class="gradient-background"></div>
    <div class="gradient-border"></div>
    <input type="text" class="gradient-input" placeholder="Rainbow Spectrum Card..." />
  </div>
</div>
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What is inside Rainbow Spectrum Card

Rainbow Spectrum Card is a CSS button built with a keyframe animation, gradient fills, defined in 50 lines across 9 selectors.

15
CSS properties
9
Selectors
50
Lines of CSS
3
Formats

Techniques used

Keyframe animationTransitionsGradientsFocus state

Animation defined: gradientShift

CSS properties in this component

animationbackgroundbackground-positionbackground-sizeborderborder-radiuscolordisplayinsetmax-widthoutlinepaddingpositiontransitionwidth

Accessibility check1 to fix

  • Built on a native <input> element, so keyboard focus and screen reader semantics work without extra attributes.
  • Defines a focus style for keyboard navigation.
  • Animates without a prefers-reduced-motion guard. Wrap the animation in that query if motion sensitivity matters to your audience.

These notes are generated by reading this component's own source, so they describe what it actually does rather than what a template says. Copy the code above in HTML, CSS, Tailwind and adapt it freely.