Liquid Glass Lens CSS Button

Free53 lines · no JS · WCAG fails 1.0

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Theme

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

States

default

hover

focus-visible

active

disabled

not declared

.btn-liquid-glass-lens {
  position: relative;
  overflow: hidden;
  display: inline-block;
  padding: 14px 32px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(5px) saturate(150%);
  -webkit-backdrop-filter: blur(5px) saturate(150%);
  color: #ffffff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.btn-liquid-glass-lens::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  backdrop-filter: blur(24px) saturate(200%) brightness(1.18);
  -webkit-backdrop-filter: blur(24px) saturate(200%) brightness(1.18);
  mask: radial-gradient(130% 170% at 50% 45%, transparent 52%, #000 80%);
  -webkit-mask: radial-gradient(130% 170% at 50% 45%, transparent 52%, #000 80%);
  pointer-events: none;
}
.btn-liquid-glass-lens::after {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  top: 2px;
  height: 40%;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.45), transparent);
  filter: blur(3px);
  opacity: 0.45;
  pointer-events: none;
}
.btn-liquid-glass-lens:hover {
  border-color: rgba(255, 255, 255, 0.55);
  transform: translateY(-2px);
}
.btn-liquid-glass-lens:active {
  transform: scale(0.97);
}
.btn-liquid-glass-lens:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

Self-contained · MIT · no build step.btn-liquid-glass-lens

GlassmorphismPillLiquid

Implementation notes

About the Liquid Glass Lens CSS button

Liquid Glass Lens uses a translucent surface designed to work over rich backgrounds. Its pill silhouette makes the label easy to scan in compact layouts. It combines a two-layer shadow and a 250ms hover lift. The liquid details are included in the copy-paste CSS.

Usage

<button class="btn-liquid-glass-lens">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: Pill
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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