8-Bit CSS Button

Free27 lines · no JS · WCAG AA large 3.8

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Theme

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

States

default

hover

focus-visible

active

disabled

not declared

.btn-eight-bit {
  display: inline-block;
  padding: 12px 22px;
  border: 4px solid #000000;
  border-radius: 0;
  background: #ef4444;
  color: #ffffff;
  font-family: "Courier New", monospace;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: inset -4px -4px 0 rgba(0, 0, 0, 0.35), inset 4px 4px 0 rgba(255, 255, 255, 0.3);
  transition: filter 0.1s ease;
}
.btn-eight-bit:hover {
  filter: brightness(1.1);
}
.btn-eight-bit:active {
  box-shadow: inset 4px 4px 0 rgba(0, 0, 0, 0.35), inset -4px -4px 0 rgba(255, 255, 255, 0.2);
  transform: translate(2px, 2px);
}
.btn-eight-bit:focus-visible {
  outline: 2px solid #ef4444;
  outline-offset: 3px;
}

Self-contained · MIT · no build step.btn-eight-bit

RetroSquare

Implementation notes

About the 8-Bit CSS button

8-Bit uses nostalgic visual cues paired with modern interaction states. Its square geometry creates a compact, precise control. It combines a two-layer shadow and a 4px border. The interaction stays intentionally restrained.

Usage

<button class="btn-eight-bit">PRESS START</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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