Pulsar

Coaxial

CSS

Two concentric circles of different diameters shift until they share the exact same center point, indicating coaxial alignment.

Tier
CSS
Dependencies
None
Duration
4 s, loops
Categories
Icons and micro-interactions
Use cases
Success and confirmation, Workflow and approvals
Industries
Manufacturing and industrial, Cross-industry
Style
Technical · light stroke
Set
calibrate
Tags
circleringpulsegeometricminimal

Companion assets

The same artwork, not animated. Derived from the entry’s own resting state, so it matches exactly.

Animated
CSS tier
Static vector
Coaxial, not animated
Download SVG

Code

animation.svg

<svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true" class="pulsar pulsar-calibrate-coaxial" data-pulsar="calibrate-coaxial" viewBox="0 0 160 96"><circle cx="80" cy="48" r="30" stroke-width="1.5" opacity=".35"></circle><line x1="80" x2="80" y1="14" y2="18" stroke="var(--pulsar-accent, currentColor)" stroke-width="2"></line><line x1="80" x2="80" y1="78" y2="82" stroke="var(--pulsar-accent, currentColor)" stroke-width="2"></line><line x1="46" x2="50" y1="48" y2="48" stroke="var(--pulsar-accent, currentColor)" stroke-width="2"></line><line x1="110" x2="114" y1="48" y2="48" stroke="var(--pulsar-accent, currentColor)" stroke-width="2"></line><line x1="77" x2="83" y1="48" y2="48" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5"></line><line x1="80" x2="80" y1="45" y2="51" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5"></line><g class="calibrate-coaxial-inner"><circle cx="80" cy="48" r="16" fill="currentColor" fill-opacity=".06" stroke="var(--pulsar-accent, currentColor)" stroke-width="2"></circle><circle cx="80" cy="48" r="4" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.2"></circle></g><circle cx="80" cy="48" r="30" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5" class="calibrate-coaxial-lock"></circle></svg>

animation.css

.pulsar-calibrate-coaxial {
  display: block;
  overflow: visible;
}
.pulsar-calibrate-coaxial .calibrate-coaxial-inner {
  animation: calibrate-coaxial-align 4000ms cubic-bezier(0.2, 1.3, 0.4, 1) infinite;
}
.pulsar-calibrate-coaxial .calibrate-coaxial-lock {
  transform-origin: 80px 48px;
  animation: calibrate-coaxial-ring-flash 4000ms ease-out infinite;
}

@keyframes calibrate-coaxial-align {
  0% {
    transform: translate(-10px, -7px);
  }
  35%,
  75% {
    transform: translate(0px, 0px);
  }
  92%,
  100% {
    transform: translate(-10px, -7px);
  }
}

@keyframes calibrate-coaxial-ring-flash {
  0%,
  34% {
    transform: scale(0.9);
    opacity: 0;
  }
  38% {
    opacity: 0.8;
  }
  58%,
  100% {
    transform: scale(1.25);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pulsar-calibrate-coaxial .calibrate-coaxial-inner,
  .pulsar-calibrate-coaxial .calibrate-coaxial-lock {
    animation: none;
    transform: none;
    opacity: 1;
  }
  .pulsar-calibrate-coaxial .calibrate-coaxial-lock {
    opacity: 0;
  }
}

From this family15 in Calibrate

See the family