25 CSS Spinners22 / 25

Pure CSSMIT licensed

Liquid Blob CSS Spinner

A fluid-blue gradient blob morphs organically through six distinct multi-value border-radius shapes while slowly rotating, creating an amorphous liquid motion effect.

Published

Live Demo
Try it

This is a full-page demo — interact inside the frame above, or open it in the playground for the full-screen experience.

The code

<div class="sp-22">
  <div class="sp-22__blob"></div>
</div>
.sp-22,
.sp-22 *,
.sp-22 *::before,
.sp-22 *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.sp-22 {
  --bg: #020911;
  --c1: #00c6fb;
  --c2: #005bea;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}

.sp-22__blob {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg,var(--c1),var(--c2));
  box-shadow: 0 0 20px rgba(0,198,251,0.4),0 0 40px rgba(0,91,234,0.2);
  animation: sp-22-morph 3s ease-in-out infinite, sp-22-spin 6s linear infinite;
}

@keyframes sp-22-morph {
  0%,
    100% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  }

  20% {
    border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
  }

  40% {
    border-radius: 70% 30% 50% 50% / 30% 70% 60% 40%;
  }

  60% {
    border-radius: 40% 60% 30% 70% / 70% 40% 50% 60%;
  }

  80% {
    border-radius: 50% 50% 60% 40% / 40% 50% 70% 60%;
  }
}

@keyframes sp-22-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sp-22__blob {
    animation: none;
    border-radius: 50%;
  }
}
Paste this into ChatGPT, Claude, Cursor, or any coding assistant. The block below is pre-framed with everything the AI needs to integrate this demo into your project — markup, styles, scoping notes, and the source URL. Hit Copy and paste straight into your chat.
Here's a working CSS Spinner from CodeFronts. Use it as-is or adapt to your framework. All classes are scoped under a unique prefix so the code won't collide with your existing styles. MIT licensed.
Demo: Liquid Blob CSS Spinner
Source: https://codefronts.com/motion/css-spinner-designs/liquid-blob-css-spinner/

A fluid-blue gradient blob morphs organically through six distinct multi-value border-radius shapes while slowly rotating, creating an amorphous liquid motion effect.
## HTML
```html
<div class="sp-22">
  <div class="sp-22__blob"></div>
</div>
```
## CSS
```css
.sp-22,
.sp-22 *,
.sp-22 *::before,
.sp-22 *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.sp-22 {
  --bg: #020911;
  --c1: #00c6fb;
  --c2: #005bea;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}

.sp-22__blob {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg,var(--c1),var(--c2));
  box-shadow: 0 0 20px rgba(0,198,251,0.4),0 0 40px rgba(0,91,234,0.2);
  animation: sp-22-morph 3s ease-in-out infinite, sp-22-spin 6s linear infinite;
}

@keyframes sp-22-morph {
  0%,
    100% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  }

  20% {
    border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
  }

  40% {
    border-radius: 70% 30% 50% 50% / 30% 70% 60% 40%;
  }

  60% {
    border-radius: 40% 60% 30% 70% / 70% 40% 50% 60%;
  }

  80% {
    border-radius: 50% 50% 60% 40% / 40% 50% 70% 60%;
  }
}

@keyframes sp-22-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sp-22__blob {
    animation: none;
    border-radius: 50%;
  }
}
```

How this works

The blob is a single element with background:linear-gradient(135deg,var(--c1),var(--c2)) and two simultaneous animations: sp-22-morph cycles the eight-value border-radius notation (X1% X2% X3% X4% / Y1% Y2% Y3% Y4%) through five distinct organic keyframe states, and sp-22-spin provides a slow 6-second full rotation.

The eight-value border-radius shorthand controls each of the four corners' horizontal and vertical radii independently, enabling truly organic shapes that no single-value border-radius can produce. CSS interpolation smoothly transitions between these states, creating the flowing liquid morphing appearance.

Make it yours

  • Change the gradient via --c1 and --c2 — a fire-like orange-to-red gradient creates a lava blob; green-to-yellow creates a slime effect.
  • Add more keyframe states between 0% and 100% (e.g. at 10%, 30%, 50%, 70%, 90%) for more complex morphing paths.
  • Remove sp-22-spin and let only the morph run for a stationary pulsing blob that doesn't rotate.
  • Apply filter:blur(4px) and scale the element up, then clip with a sharp-edged parent container to create a "blobby fill" effect.
  • Nest a second smaller blob inside and give it a complementary morphing animation at double speed for a cell-division visual.

Gotchas — read before shipping

  • The eight-value border-radius notation requires all eight values to be present in both keyframe states for smooth interpolation — missing values in one keyframe and present in another causes a snap.
  • CSS interpolation of complex border-radius values can produce shapes that pass through visually undesirable configurations mid-transition; preview all intermediate states in DevTools animation inspector.
  • filter:drop-shadow on a morphing element repaints the shadow region on every frame; use box-shadow for better performance (it follows the border-box rather than the painted outline).

Browser support

ChromeSafariFirefoxEdge
60+12+60+60+

Eight-value border-radius fully supported in all modern browsers; no polyfills needed.

Techniques used in this demo

@keyframesMDN ↗

Search CodeFronts

Loading…

↑↓ navigate↵ selectesc closeOpen full search page →