Pulsar

Pulse

CSS

A series of regular concentric pulse rings is interrupted by a rapid, off-beat double pulse that triggers a warning indicator.

Tier
CSS
Dependencies
None
Duration
4 s, loops
Categories
Icons and micro-interactions
Use cases
Notifications, Security and trust
Industries
SaaS and software, Security and identity
Style
Minimal line · light stroke
Set
anomaly
Tags
pulseringcirclegeometricminimal

Companion assets

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

Animated
CSS tier
Static vector
Pulse, not animated
Download SVG

Code

animation.svg

<svg xmlns="http://www.w3.org/2000/svg" fill="none" aria-hidden="true" class="pulsar pulsar-anomaly-pulse" data-pulsar="anomaly-pulse" viewBox="0 0 160 96"><circle cx="80" cy="48" r="4" fill="currentColor" opacity=".8"></circle><circle cx="80" cy="48" r="16" stroke="currentColor" stroke-width="1.5" class="anomaly-pulse-ring-1" opacity=".4"></circle><circle cx="80" cy="48" r="30" stroke="currentColor" stroke-width="1.5" class="anomaly-pulse-ring-2" opacity=".3"></circle><circle cx="80" cy="48" r="22" stroke="var(--pulsar-accent, currentColor)" stroke-width="2.5" class="anomaly-pulse-alert"></circle><circle cx="106" cy="48" r="2.5" fill="var(--pulsar-accent, currentColor)" class="anomaly-pulse-sat-1"></circle><circle cx="54" cy="48" r="2.5" fill="var(--pulsar-accent, currentColor)" class="anomaly-pulse-sat-2"></circle></svg>

animation.css

.pulsar-anomaly-pulse {
  display: block;
  overflow: visible;
}
.pulsar-anomaly-pulse .anomaly-pulse-ring-1 {
  transform-origin: 80px 48px;
  animation: anomaly-pulse-r1-anim 4000ms ease infinite;
}
.pulsar-anomaly-pulse .anomaly-pulse-ring-2 {
  transform-origin: 80px 48px;
  animation: anomaly-pulse-r2-anim 4000ms ease infinite;
}
.pulsar-anomaly-pulse .anomaly-pulse-alert {
  transform-origin: 80px 48px;
  animation: anomaly-pulse-alert-anim 4000ms cubic-bezier(0.1, 1, 0.3, 1) infinite;
}
.pulsar-anomaly-pulse .anomaly-pulse-sat-1,
.pulsar-anomaly-pulse .anomaly-pulse-sat-2 {
  animation: anomaly-pulse-sat-anim 4000ms ease infinite;
}

@keyframes anomaly-pulse-r1-anim {
  0%,
  100% {
    transform: scale(0.9);
    opacity: 0.2;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.5;
  }
}

@keyframes anomaly-pulse-r2-anim {
  0%,
  100% {
    transform: scale(0.95);
    opacity: 0.15;
  }
  50% {
    transform: scale(1.15);
    opacity: 0.4;
  }
}

@keyframes anomaly-pulse-alert-anim {
  0%,
  30% {
    transform: scale(0.4);
    opacity: 0;
  }
  38% {
    opacity: 1;
  }
  55% {
    transform: scale(1.5);
    opacity: 0;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

@keyframes anomaly-pulse-sat-anim {
  0%,
  35% {
    opacity: 0.2;
    transform: scale(0.8);
    transform-origin: 80px 48px;
  }
  42%,
  70% {
    opacity: 1;
    transform: scale(1.3);
    transform-origin: 80px 48px;
  }
  85%,
  100% {
    opacity: 0.2;
    transform: scale(0.8);
    transform-origin: 80px 48px;
  }
}

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

From this family15 in Anomaly

See the family