Pulsar

Shield

CSS

A series of nested arc segments forming a protective dome outline that expands and contracts in a slow, rhythmic breathing motion.

Tier
CSS
Dependencies
None
Duration
4.4 s, loops
Categories
Backgrounds and ambient
Use cases
Security and trust, Ambient background
Industries
SaaS and software, Security and identity
Style
Technical · light stroke
Set
perimeter
Tags
circlepulsegeometricambientstroke

Companion assets

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

Animated
CSS tier
Static vector
Shield, not animated
Download SVG

Code

animation.svg

<svg xmlns="http://www.w3.org/2000/svg" fill="none" aria-hidden="true" class="pulsar pulsar-perimeter-shield" data-pulsar="perimeter-shield" viewBox="0 0 160 96"><line x1="20" x2="140" y1="74" y2="74" stroke="currentColor" opacity=".35"></line><line x1="80" x2="80" y1="16" y2="78" stroke="currentColor" stroke-dasharray="2 4" opacity=".25"></line><circle cx="80" cy="74" r="2" fill="currentColor" opacity=".6"></circle><path stroke="currentColor" d="M60 74a20 20 0 0 1 40 0" class="perimeter-shield-arc-1" opacity=".4"></path><path stroke="currentColor" stroke-dasharray="4 2" stroke-width="1.25" d="M46 74a34 34 0 0 1 68 0" class="perimeter-shield-arc-2" opacity=".6"></path><path stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5" d="M32 74a48 48 0 0 1 96 0" class="perimeter-shield-arc-3" opacity=".85"></path><g class="perimeter-shield-ticks"><line x1="80" x2="80" y1="26" y2="20" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5"></line><line x1="46" x2="42" y1="40" y2="36" stroke="var(--pulsar-accent, currentColor)" opacity=".7"></line><line x1="114" x2="118" y1="40" y2="36" stroke="var(--pulsar-accent, currentColor)" opacity=".7"></line></g></svg>

animation.css

.pulsar-perimeter-shield {
  display: block;
  overflow: visible;
}
.pulsar-perimeter-shield .perimeter-shield-arc-1 {
  animation: perimeter-shield-arc1-anim 4400ms ease-in-out infinite;
  transform-origin: 80px 74px;
}
.pulsar-perimeter-shield .perimeter-shield-arc-2 {
  animation: perimeter-shield-arc2-anim 4400ms ease-in-out infinite -400ms;
  transform-origin: 80px 74px;
}
.pulsar-perimeter-shield .perimeter-shield-arc-3 {
  animation: perimeter-shield-arc3-anim 4400ms ease-in-out infinite -800ms;
  transform-origin: 80px 74px;
}
.pulsar-perimeter-shield .perimeter-shield-ticks {
  animation: perimeter-shield-ticks-anim 4400ms ease-in-out infinite -800ms;
  transform-origin: 80px 74px;
}

@keyframes perimeter-shield-arc1-anim {
  0%,
  100% {
    transform: scale(0.96);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.6;
  }
}

@keyframes perimeter-shield-arc2-anim {
  0%,
  100% {
    transform: scale(0.97);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.04);
    opacity: 0.8;
  }
}

@keyframes perimeter-shield-arc3-anim {
  0%,
  100% {
    transform: scale(0.98);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.03);
    opacity: 1;
  }
}

@keyframes perimeter-shield-ticks-anim {
  0%,
  100% {
    transform: scale(0.98);
  }
  50% {
    transform: scale(1.03);
  }
}

@media (prefers-reduced-motion: reduce) {
  .pulsar-perimeter-shield .perimeter-shield-arc-1,
  .pulsar-perimeter-shield .perimeter-shield-arc-2,
  .pulsar-perimeter-shield .perimeter-shield-arc-3,
  .pulsar-perimeter-shield .perimeter-shield-ticks {
    animation: none;
  }
}

From this family15 in Perimeter

See the family