Molten Core CSS Button

Free25 lines · no JS

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Theme

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

States

default

hover

focus-visible

active

disabled

not declared

.btn-molten-core {
  display: inline-block;
  padding: 13px 28px;
  border: none;
  border-radius: 12px;
  background: radial-gradient(circle at 50% 130%, #fbbf24 0%, #ef4444 55%, #7c2d12 100%);
  color: #fff7ed;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(60, 10, 5, 0.5);
  cursor: pointer;
  transition: box-shadow 0.25s ease, filter 0.25s ease;
}
.btn-molten-core:hover {
  filter: brightness(1.12);
  box-shadow: 0 8px 24px rgba(239, 68, 68, 0.5);
}
.btn-molten-core:active {
  filter: brightness(0.95);
}
.btn-molten-core:focus-visible {
  outline: 2px solid #fbbf24;
  outline-offset: 3px;
}

Self-contained · MIT · no build step.btn-molten-core

GradientRounded

Implementation notes

About the Molten Core CSS button

Molten Core uses a layered color treatment for prominent calls to action. Its rounded corners balance product-friendly softness with a clear boundary. It is built around a three-stop radial gradient anchored on #fbbf24. The interaction stays intentionally restrained.

Usage

<button class="btn-molten-core">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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