Pulsar

Seal

CSS

A circular line with a broken gap is repaired as a small curved plate descends and snaps into the gap, sealing the loop.

Tier
CSS
Dependencies
None
Duration
4 s, loops
Categories
Icons and micro-interactions
Use cases
Success and confirmation, Security and trust
Industries
Security and identity, Cross-industry
Style
Minimal line · light stroke
Set
patch
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
Seal, not animated
Download SVG

Code

animation.svg

<svg xmlns="http://www.w3.org/2000/svg" fill="none" aria-hidden="true" class="pulsar pulsar-patch-seal" data-pulsar="patch-seal" viewBox="0 0 160 96"><g stroke="currentColor" stroke-linecap="round" stroke-width="2" class="patch-seal-anchor"><path d="M61 28a28 28 0 1 0 38 0"></path><circle cx="61" cy="28" r="2" fill="currentColor"></circle><circle cx="99" cy="28" r="2" fill="currentColor"></circle></g><g class="patch-seal-plug"><path stroke="var(--pulsar-accent, currentColor)" stroke-linecap="round" stroke-width="2.5" d="M61 28a28 28 0 0 1 38 0"></path><circle cx="80" cy="20" r="2.5" fill="var(--pulsar-accent, currentColor)"></circle></g><circle cx="80" cy="48" r="28" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5" class="patch-seal-pulse"></circle><circle cx="80" cy="48" r="3.5" fill="var(--pulsar-accent, currentColor)" class="patch-seal-core"></circle></svg>

animation.css

.pulsar-patch-seal {
  display: block;
  overflow: visible;
}
.pulsar-patch-seal .patch-seal-anchor {
  opacity: 0.65;
}
.pulsar-patch-seal .patch-seal-plug {
  transform-origin: 80px 20px;
  animation: patch-seal-plug-anim 4000ms cubic-bezier(0.25, 1, 0.5, 1) infinite;
}
.pulsar-patch-seal .patch-seal-pulse {
  transform-origin: 80px 48px;
  animation: patch-seal-pulse-anim 4000ms cubic-bezier(0.25, 1, 0.5, 1) infinite;
}
.pulsar-patch-seal .patch-seal-core {
  transform-origin: 80px 48px;
  animation: patch-seal-core-anim 4000ms cubic-bezier(0.25, 1, 0.5, 1) infinite;
}

@keyframes patch-seal-plug-anim {
  0% {
    transform: translateY(-16px);
    opacity: 0;
  }
  15% {
    transform: translateY(-16px);
    opacity: 0.4;
  }
  30% {
    transform: translateY(0);
    opacity: 1;
  }
  80% {
    transform: translateY(0);
    opacity: 1;
  }
  92% {
    transform: translateY(-4px);
    opacity: 0;
  }
  100% {
    transform: translateY(-16px);
    opacity: 0;
  }
}

@keyframes patch-seal-pulse-anim {
  0%,
  30% {
    transform: scale(0.95);
    opacity: 0;
  }
  35% {
    opacity: 0.8;
  }
  60% {
    transform: scale(1.3);
    opacity: 0;
  }
  100% {
    transform: scale(1.3);
    opacity: 0;
  }
}

@keyframes patch-seal-core-anim {
  0%,
  25% {
    transform: scale(0.6);
    opacity: 0.3;
  }
  32% {
    transform: scale(1.3);
    opacity: 1;
  }
  45% {
    transform: scale(1);
    opacity: 0.85;
  }
  80% {
    transform: scale(1);
    opacity: 0.85;
  }
  90% {
    transform: scale(0.6);
    opacity: 0.3;
  }
  100% {
    transform: scale(0.6);
    opacity: 0.3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pulsar-patch-seal * {
    animation: none !important;
  }
}

From this family15 in Patch

See the family