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Aurora Background

Design · tool

Aurora Background

Animated aurora blur background for hero sections.

Animated aurora background
.aurora {
  position: relative;
  overflow: hidden;
  background: #0b1220;
}
.aurora::before {
  content: "";
  position: absolute;
  inset: -30%;
  background:
    radial-gradient(40% 40% at 20% 30%, #22d3a7 0%, transparent 70%),
    radial-gradient(40% 40% at 75% 25%, #6366f1 0%, transparent 70%),
    radial-gradient(45% 45% at 50% 80%, #ec4899 0%, transparent 70%);
  filter: blur(60px);
  animation: aurora-move 18s ease-in-out infinite alternate;
}
@keyframes aurora-move {
  0%   { transform: translate3d(-5%, -5%, 0) rotate(0deg) scale(1); }
  50%  { transform: translate3d(5%, 3%, 0) rotate(8deg) scale(1.1); }
  100% { transform: translate3d(-3%, 6%, 0) rotate(-6deg) scale(1.05); }
}

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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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