Paper Flat CSS Button

Free27 lines · no JS · WCAG AAA 10.4 · light-safe

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Theme

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

States

default

hover

focus-visible

active

disabled

not declared

.btn-paper-flat {
  display: inline-block;
  padding: 11px 24px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: #ffffff;
  color: #334155;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.btn-paper-flat:hover {
  transform: translateY(-1px);
  border-color: #cbd5e1;
  box-shadow: 0 3px 8px rgba(15, 23, 42, 0.08);
}
.btn-paper-flat:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
}
.btn-paper-flat:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}

Self-contained · MIT · no build step.btn-paper-flat

MinimalRounded

Implementation notes

About the Paper Flat CSS button

Paper Flat uses restrained decoration that keeps the surrounding content in focus. Its rounded corners balance product-friendly softness with a clear boundary. Interaction feedback comes from a 150ms hover lift. The interaction stays intentionally restrained.

Usage

<button class="btn-paper-flat">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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