Pulsar
Relay

Relay

CSS

A packet hops across four relay nodes, each lighting as it takes the handoff and dimming behind it.

Tier
CSS
Dependencies
None
Duration
1.6 s, loops
Categories
Loaders and spinners
Use cases
Loading and waiting, Sync and integration
Industries
SaaS and software, Logistics and supply chain
Style
Minimal line · light stroke
Set
signal
Tags
loopminimaluicirclestagger

Companion assets

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

Animated
Relay
CSS tier
Static vector
Relay, not animated
Download SVG

Code

animation.svg

<svg xmlns="http://www.w3.org/2000/svg" aria-labelledby="signal-relay-title" class="pulsar pulsar-signal-relay" data-pulsar="signal-relay" role="img" viewBox="0 0 120 40"><title id="signal-relay-title">Relay</title><line id="signal-relay-track-1" x1="28" x2="44" y1="20" y2="20" fill="none" stroke="currentColor" stroke-width="2" class="signal-relay-track" opacity=".2"></line><line id="signal-relay-track-2" x1="52" x2="68" y1="20" y2="20" fill="none" stroke="currentColor" stroke-width="2" class="signal-relay-track" opacity=".2"></line><line id="signal-relay-track-3" x1="76" x2="92" y1="20" y2="20" fill="none" stroke="currentColor" stroke-width="2" class="signal-relay-track" opacity=".2"></line><line id="signal-relay-active-1" x1="28" x2="44" y1="20" y2="20" fill="none" stroke="var(--pulsar-accent, currentColor)" stroke-linecap="round" stroke-width="2" class="signal-relay-active signal-relay-active-1"></line><line id="signal-relay-active-2" x1="52" x2="68" y1="20" y2="20" fill="none" stroke="var(--pulsar-accent, currentColor)" stroke-linecap="round" stroke-width="2" class="signal-relay-active signal-relay-active-2"></line><line id="signal-relay-active-3" x1="76" x2="92" y1="20" y2="20" fill="none" stroke="var(--pulsar-accent, currentColor)" stroke-linecap="round" stroke-width="2" class="signal-relay-active signal-relay-active-3"></line><circle id="signal-relay-node-1" cx="24" cy="20" r="4" fill="none" stroke="currentColor" stroke-width="2" class="signal-relay-node signal-relay-node-1"></circle><circle id="signal-relay-node-2" cx="48" cy="20" r="4" fill="none" stroke="currentColor" stroke-width="2" class="signal-relay-node signal-relay-node-2"></circle><circle id="signal-relay-node-3" cx="72" cy="20" r="4" fill="none" stroke="currentColor" stroke-width="2" class="signal-relay-node signal-relay-node-3"></circle><circle id="signal-relay-node-4" cx="96" cy="20" r="4" fill="none" stroke="currentColor" stroke-width="2" class="signal-relay-node signal-relay-node-4"></circle></svg>

animation.css

.pulsar-signal-relay .signal-relay-active {
  stroke-dasharray: 4 12;
  stroke-dashoffset: 4;
  opacity: 0;
  animation-duration: 1600ms;
  animation-iteration-count: infinite;
  animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.pulsar-signal-relay .signal-relay-active-1 {
  animation-name: signal-relay-active-1-flow;
}

.pulsar-signal-relay .signal-relay-active-2 {
  animation-name: signal-relay-active-2-flow;
}

.pulsar-signal-relay .signal-relay-active-3 {
  animation-name: signal-relay-active-3-flow;
}

.pulsar-signal-relay .signal-relay-node {
  opacity: 0.3;
  animation-duration: 1600ms;
  animation-iteration-count: infinite;
  animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.pulsar-signal-relay .signal-relay-node-1 {
  animation-name: signal-relay-node-1-light;
}

.pulsar-signal-relay .signal-relay-node-2 {
  animation-name: signal-relay-node-2-light;
}

.pulsar-signal-relay .signal-relay-node-3 {
  animation-name: signal-relay-node-3-light;
}

.pulsar-signal-relay .signal-relay-node-4 {
  animation-name: signal-relay-node-4-light;
}

@keyframes signal-relay-active-1-flow {
  0% {
    stroke-dashoffset: 4;
    opacity: 1;
  }
  25% {
    stroke-dashoffset: -12;
    opacity: 1;
  }
  25.01%,
  100% {
    stroke-dashoffset: 4;
    opacity: 0;
  }
}

@keyframes signal-relay-active-2-flow {
  0%,
  24.99% {
    stroke-dashoffset: 4;
    opacity: 0;
  }
  25% {
    stroke-dashoffset: 4;
    opacity: 1;
  }
  50% {
    stroke-dashoffset: -12;
    opacity: 1;
  }
  50.01%,
  100% {
    stroke-dashoffset: 4;
    opacity: 0;
  }
}

@keyframes signal-relay-active-3-flow {
  0%,
  49.99% {
    stroke-dashoffset: 4;
    opacity: 0;
  }
  50% {
    stroke-dashoffset: 4;
    opacity: 1;
  }
  75% {
    stroke-dashoffset: -12;
    opacity: 1;
  }
  75.01%,
  100% {
    stroke-dashoffset: 4;
    opacity: 0;
  }
}

@keyframes signal-relay-node-1-light {
  0% {
    opacity: 1;
    stroke: var(--pulsar-accent, currentColor);
  }
  25%,
  75% {
    opacity: 0.3;
    stroke: currentColor;
  }
  100% {
    opacity: 1;
    stroke: var(--pulsar-accent, currentColor);
  }
}

@keyframes signal-relay-node-2-light {
  0% {
    opacity: 0.3;
    stroke: currentColor;
  }
  25% {
    opacity: 1;
    stroke: var(--pulsar-accent, currentColor);
  }
  50%,
  100% {
    opacity: 0.3;
    stroke: currentColor;
  }
}

@keyframes signal-relay-node-3-light {
  0%,
  25% {
    opacity: 0.3;
    stroke: currentColor;
  }
  50% {
    opacity: 1;
    stroke: var(--pulsar-accent, currentColor);
  }
  75%,
  100% {
    opacity: 0.3;
    stroke: currentColor;
  }
}

@keyframes signal-relay-node-4-light {
  0%,
  50% {
    opacity: 0.3;
    stroke: currentColor;
  }
  75% {
    opacity: 1;
    stroke: var(--pulsar-accent, currentColor);
  }
  100% {
    opacity: 0.3;
    stroke: currentColor;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pulsar-signal-relay .signal-relay-active {
    animation: none;
    opacity: 0;
  }
  .pulsar-signal-relay .signal-relay-node {
    animation: none;
    opacity: 1;
    stroke: currentColor;
  }
  .pulsar-signal-relay .signal-relay-track {
    opacity: 0.5;
  }
}