Wave Line CSS Button

Free27 lines · no JS

Open in Studio

Theme

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

States

default

hover

focus-visible

active

not declared

disabled

not declared

.btn-wave-line {
  display: inline-block;
  padding: 12px 8px 18px;
  border: none;
  background-color: transparent;
  background-image: radial-gradient(circle at 7px -4px, transparent 7px, #38bdf8 7px, #38bdf8 8.5px, transparent 8.5px);
  background-size: 16px 12px;
  background-repeat: repeat-x;
  background-position: 0 bottom;
  color: #e2e8f0;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.btn-wave-line:hover {
  animation: btn-wave-line-move 0.8s linear infinite;
}
@keyframes btn-wave-line-move {
  to {
    background-position: 16px bottom;
  }
}
.btn-wave-line:focus-visible {
  outline: 2px solid #38bdf8;
  outline-offset: 3px;
}

Self-contained · MIT · no build step.btn-wave-line

MinimalSquareAnimatedBorder FX

Implementation notes

About the Wave Line CSS button

Wave Line uses restrained decoration that keeps the surrounding content in focus. Its square geometry creates a compact, precise control. It is built around a four-stop radial gradient anchored on #38bdf8 with an 800ms keyframe animation. The animated, border fx details are included in the copy-paste CSS.

Usage

<button class="btn-wave-line">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: Square
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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