// a sandbox of 169 sharp tools

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Gradient Border CSS

Design · tool

Gradient Border CSS

Animated and static gradient borders.

Gradient border card
.gradient-border {
  position: relative;
  border-radius: 14px;
  background: #0f172a;
  padding: 24px;
}

.gradient-border::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 3px;
  border-radius: inherit;
  background: linear-gradient(120deg, #34d399, #f97316);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}

// about the sandbox

The small utilities you need,
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Every generator runs entirely in your browser. Your inputs never leave the page — no servers, no logging, no tracking pixels. Open the tool, get the thing, close the tab.

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