Pulsar

Boundary

CSS

A horizontal dashed line splits the coordinate plane, with tiny vertical tick marks scrolling continuously from left to right along the dividing line.

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
lineambientgridminimalstroke

Companion assets

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

Animated
CSS tier
Static vector
Boundary, not animated
Download SVG

Code

animation.svg

<svg xmlns="http://www.w3.org/2000/svg" fill="none" aria-hidden="true" class="pulsar pulsar-perimeter-boundary" data-pulsar="perimeter-boundary" viewBox="0 0 160 96"><path stroke="currentColor" d="M16 28v-8h8" opacity=".3"></path><path stroke="currentColor" d="M144 28v-8h-8" opacity=".3"></path><path stroke="currentColor" d="M16 68v8h8" opacity=".3"></path><path stroke="currentColor" d="M144 68v8h-8" opacity=".3"></path><line x1="24" x2="136" y1="32" y2="32" stroke="currentColor" stroke-dasharray="2 6" opacity=".2"></line><line x1="24" x2="136" y1="64" y2="64" stroke="currentColor" stroke-dasharray="2 6" opacity=".2"></line><line x1="16" x2="144" y1="48" y2="48" stroke="currentColor" opacity=".4"></line><g class="perimeter-boundary-track"><path stroke="currentColor" d="M10 44v8m10-7v6m10-7v8m10-7v6m10-7v8m10-7v6m10-7v8m10-9v10m10-8v6m10-7v8m10-7v6m10-7v8m10-7v6m10-7v8m10-7v6m10-7v8m10-7v6" opacity=".6"></path></g><g class="perimeter-boundary-cursor"><line x1="80" x2="80" y1="38" y2="58" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5"></line><circle cx="80" cy="48" r="3" fill="var(--pulsar-accent, currentColor)" fill-opacity=".2" stroke="var(--pulsar-accent, currentColor)"></circle><circle cx="80" cy="48" r="6" stroke="var(--pulsar-accent, currentColor)" class="perimeter-boundary-pulse" opacity=".8"></circle></g></svg>

animation.css

.pulsar-perimeter-boundary {
  display: block;
  overflow: visible;
}
.pulsar-perimeter-boundary .perimeter-boundary-track {
  animation: perimeter-boundary-scroll-anim 4000ms linear infinite;
}
.pulsar-perimeter-boundary .perimeter-boundary-cursor {
  animation: perimeter-boundary-cursor-anim 4000ms ease-in-out infinite;
}
.pulsar-perimeter-boundary .perimeter-boundary-pulse {
  animation: perimeter-boundary-pulse-anim 2000ms ease-out infinite;
  transform-origin: 80px 48px;
}

@keyframes perimeter-boundary-scroll-anim {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(20px);
  }
}

@keyframes perimeter-boundary-cursor-anim {
  0%,
  100% {
    transform: translateX(-35px);
  }
  50% {
    transform: translateX(35px);
  }
}

@keyframes perimeter-boundary-pulse-anim {
  0% {
    transform: scale(0.6);
    opacity: 0.9;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pulsar-perimeter-boundary .perimeter-boundary-track,
  .pulsar-perimeter-boundary .perimeter-boundary-cursor,
  .pulsar-perimeter-boundary .perimeter-boundary-pulse {
    animation: none;
  }
}

From this family15 in Perimeter

See the family