Glass Shimmer CSS Button

Free38 lines · no JS · WCAG fails 1.0

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Theme

A real <button> carrying .btn-glass-shimmer — the preview is the stylesheet, not a picture of it.

States

default

hover

focus-visible

active

disabled

not declared

.btn-glass-shimmer {
  position: relative;
  overflow: hidden;
  display: inline-block;
  padding: 13px 28px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #ffffff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}
.btn-glass-shimmer::before {
  content: "";
  position: absolute;
  top: 0;
  left: -80%;
  width: 50%;
  height: 100%;
  background: linear-gradient(115deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: skewX(-25deg);
  transition: left 0.6s ease;
}
.btn-glass-shimmer:hover::before {
  left: 130%;
}
.btn-glass-shimmer:active {
  background: rgba(255, 255, 255, 0.24);
}
.btn-glass-shimmer:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

Self-contained · MIT · no build step.btn-glass-shimmer

GlassmorphismRoundedShimmerHover Reveal

Implementation notes

About the Glass Shimmer CSS button

Glass Shimmer uses a translucent surface designed to work over rich backgrounds. Its rounded corners balance product-friendly softness with a clear boundary. The shimmer, hover reveal details are included in the copy-paste CSS.

Usage

<button class="btn-glass-shimmer">Button</button>

Pair it with the CSS tab above — the class is self-contained.

Before shipping: keep the semantic button element, verify contrast on your actual background and add a visible:focus-visible state. If you retain motion, include a prefers-reduced-motion override.

Built with: HTML + plain CSS
Shape: Rounded
Exports: CSS, Tailwind, React
License: MIT · commercial use

Complete the look

Build the interface around this button

We matched its palette, surface, geometry and motion to a complete UI system — like composing an outfit, not browsing unrelated parts.

Style DNA · v1

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Pro preview

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