Pulsar

Fenceposts

CSS

A horizontal row of short vertical tick indicators with tiny circles at their peaks that blink sequentially from the edges toward the center.

Tier
CSS
Dependencies
None
Duration
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
barsdotspulseambientminimal

Companion assets

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

Animated
CSS tier
Static vector
Fenceposts, not animated
Download SVG

Code

animation.svg

<svg xmlns="http://www.w3.org/2000/svg" fill="none" aria-hidden="true" class="pulsar pulsar-perimeter-fenceposts" data-pulsar="perimeter-fenceposts" viewBox="0 0 160 96"><line x1="20" x2="140" y1="62" y2="62" stroke="currentColor" opacity=".35"></line><g class="perimeter-fenceposts-pair-1"><line x1="32" x2="32" y1="62" y2="42" stroke="currentColor" stroke-width="1.25"></line><circle cx="32" cy="40" r="2.5" fill="currentColor"></circle><line x1="128" x2="128" y1="62" y2="42" stroke="currentColor" stroke-width="1.25"></line><circle cx="128" cy="40" r="2.5" fill="currentColor"></circle></g><g class="perimeter-fenceposts-pair-2"><line x1="48" x2="48" y1="62" y2="38" stroke="currentColor" stroke-width="1.25"></line><circle cx="48" cy="36" r="2.5" fill="currentColor"></circle><line x1="112" x2="112" y1="62" y2="38" stroke="currentColor" stroke-width="1.25"></line><circle cx="112" cy="36" r="2.5" fill="currentColor"></circle></g><g class="perimeter-fenceposts-pair-3"><line x1="64" x2="64" y1="62" y2="34" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5"></line><circle cx="64" cy="32" r="2.5" fill="var(--pulsar-accent, currentColor)"></circle><line x1="96" x2="96" y1="62" y2="34" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5"></line><circle cx="96" cy="32" r="2.5" fill="var(--pulsar-accent, currentColor)"></circle></g><g class="perimeter-fenceposts-center"><line x1="80" x2="80" y1="62" y2="28" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5"></line><circle cx="80" cy="26" r="3.5" fill="var(--pulsar-accent, currentColor)"></circle><circle cx="80" cy="26" r="7" stroke="var(--pulsar-accent, currentColor)" class="perimeter-fenceposts-ring" opacity=".8"></circle></g></svg>

animation.css

.pulsar-perimeter-fenceposts {
  display: block;
  overflow: visible;
}
.pulsar-perimeter-fenceposts .perimeter-fenceposts-pair-1 {
  animation: perimeter-fenceposts-step-anim 4000ms ease infinite -3000ms;
}
.pulsar-perimeter-fenceposts .perimeter-fenceposts-pair-2 {
  animation: perimeter-fenceposts-step-anim 4000ms ease infinite -2000ms;
}
.pulsar-perimeter-fenceposts .perimeter-fenceposts-pair-3 {
  animation: perimeter-fenceposts-step-anim 4000ms ease infinite -1000ms;
}
.pulsar-perimeter-fenceposts .perimeter-fenceposts-center {
  animation: perimeter-fenceposts-center-anim 4000ms ease infinite 0ms;
}
.pulsar-perimeter-fenceposts .perimeter-fenceposts-ring {
  animation: perimeter-fenceposts-ring-anim 2000ms ease-out infinite;
  transform-origin: 80px 26px;
}

@keyframes perimeter-fenceposts-step-anim {
  0%,
  100% {
    opacity: 0.35;
    transform: translateY(0);
  }
  30% {
    opacity: 1;
    transform: translateY(-3px);
  }
  60% {
    opacity: 0.35;
    transform: translateY(0);
  }
}

@keyframes perimeter-fenceposts-center-anim {
  0%,
  100% {
    opacity: 0.5;
    transform: translateY(0);
  }
  40% {
    opacity: 1;
    transform: translateY(-4px);
  }
  70% {
    opacity: 0.5;
    transform: translateY(0);
  }
}

@keyframes perimeter-fenceposts-ring-anim {
  0% {
    transform: scale(0.5);
    opacity: 0.9;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pulsar-perimeter-fenceposts .perimeter-fenceposts-pair-1,
  .pulsar-perimeter-fenceposts .perimeter-fenceposts-pair-2,
  .pulsar-perimeter-fenceposts .perimeter-fenceposts-pair-3,
  .pulsar-perimeter-fenceposts .perimeter-fenceposts-center,
  .pulsar-perimeter-fenceposts .perimeter-fenceposts-ring {
    animation: none;
  }
}

From this family15 in Perimeter

See the family