Pulsar

Scanline

CSS

A horizontal rule with coordinate labels on either end that glides slowly down the height of the frame and fades back to the top.

Tier
CSS
Dependencies
None
Duration
4.5 s, loops
Categories
Backgrounds and ambient
Use cases
Security and trust, Ambient background
Industries
Security and identity, Cross-industry
Style
Technical · light stroke
Set
perimeter
Tags
lineambientminimalstrokepulse

Companion assets

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

Animated
CSS tier
Static vector
Scanline, not animated
Download SVG

Code

animation.svg

<svg xmlns="http://www.w3.org/2000/svg" fill="none" aria-hidden="true" class="pulsar pulsar-perimeter-scanline" data-pulsar="perimeter-scanline" viewBox="0 0 160 96"><rect width="112" height="68" x="24" y="14" stroke="currentColor" stroke-dasharray="2 4" opacity=".25"></rect><g opacity=".4"><line x1="20" x2="24" y1="20" y2="20" stroke="currentColor"></line><line x1="20" x2="24" y1="36" y2="36" stroke="currentColor"></line><line x1="20" x2="24" y1="48" y2="48" stroke="currentColor" stroke-width="1.25"></line><line x1="20" x2="24" y1="60" y2="60" stroke="currentColor"></line><line x1="20" x2="24" y1="76" y2="76" stroke="currentColor"></line><line x1="136" x2="140" y1="20" y2="20" stroke="currentColor"></line><line x1="136" x2="140" y1="36" y2="36" stroke="currentColor"></line><line x1="136" x2="140" y1="48" y2="48" stroke="currentColor" stroke-width="1.25"></line><line x1="136" x2="140" y1="60" y2="60" stroke="currentColor"></line><line x1="136" x2="140" y1="76" y2="76" stroke="currentColor"></line></g><g class="perimeter-scanline-bar"><line x1="20" x2="140" y1="20" y2="20" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5"></line><circle cx="20" cy="20" r="2" fill="var(--pulsar-accent, currentColor)"></circle><circle cx="140" cy="20" r="2" fill="var(--pulsar-accent, currentColor)"></circle><path stroke="var(--pulsar-accent, currentColor)" d="m76 16 4 4 4-4m-8 8 4-4 4 4"></path></g></svg>

animation.css

.pulsar-perimeter-scanline {
  display: block;
  overflow: visible;
}
.pulsar-perimeter-scanline .perimeter-scanline-bar {
  animation: perimeter-scanline-glide-anim 4500ms ease-in-out infinite;
}

@keyframes perimeter-scanline-glide-anim {
  0% {
    transform: translateY(0);
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  85% {
    opacity: 1;
  }
  100% {
    transform: translateY(56px);
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pulsar-perimeter-scanline .perimeter-scanline-bar {
    animation: none;
  }
}

From this family15 in Perimeter

See the family