Pulsar
Ring of candidate cluster nodes participating in leader election until one node wins and radiates leadership authority

Cluster Leader Election

CSS

Candidate cluster nodes participate in an asynchronous consensus election until an elected leader expands in topology authority and radiates leadership beacon waves.

Tier
CSS
Dependencies
None
Duration
6.4 s, loops
Categories
Loaders and spinners
Use cases
Loading and waiting, Workflow and approvals
Industries
SaaS and software, IT services and infrastructure
Style
Minimal line · light stroke
Set
cluster
Tags
loopringpulsedots

Companion assets

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

Animated
Ring of candidate cluster nodes participating in leader election until one node wins and radiates leadership authority
CSS tier
Static vector
Cluster Leader Election, not animated
Download SVG

Code

animation.svg

<svg xmlns="http://www.w3.org/2000/svg" aria-labelledby="cluster-elect-title" class="pulsar pulsar-cluster-elect" data-pulsar="cluster-elect" role="img" viewBox="0 0 160 96"><title id="cluster-elect-title">Ring of candidate cluster nodes participating in leader election until one node wins and radiates leadership authority</title><circle cx="80" cy="48" r="26" fill="none" stroke="currentColor" stroke-dasharray="2 3" stroke-width=".5" opacity=".2"></circle><g fill="none" stroke="currentColor" stroke-width=".5" opacity=".15"><line x1="80" x2="103" y1="22" y2="35"></line><line x1="80" x2="103" y1="22" y2="61"></line><line x1="80" x2="80" y1="22" y2="74"></line><line x1="80" x2="57" y1="22" y2="61"></line><line x1="80" x2="57" y1="22" y2="35"></line></g><circle id="cluster-elect-wave1" cx="80" cy="22" r="6" fill="none" stroke="currentColor" stroke-width="1" opacity="0"></circle><circle id="cluster-elect-wave2" cx="80" cy="22" r="6" fill="none" stroke="currentColor" stroke-width=".8" opacity="0"></circle><g id="cluster-elect-n1"><circle cx="103" cy="35" r="3.5" fill="none" stroke="currentColor" stroke-width=".8"></circle><circle cx="103" cy="35" r="1.5" fill="currentColor"></circle></g><g id="cluster-elect-n2"><circle cx="103" cy="61" r="3.5" fill="none" stroke="currentColor" stroke-width=".8"></circle><circle cx="103" cy="61" r="1.5" fill="currentColor"></circle></g><g id="cluster-elect-n3"><circle cx="80" cy="74" r="3.5" fill="none" stroke="currentColor" stroke-width=".8"></circle><circle cx="80" cy="74" r="1.5" fill="currentColor"></circle></g><g id="cluster-elect-n4"><circle cx="57" cy="61" r="3.5" fill="none" stroke="currentColor" stroke-width=".8"></circle><circle cx="57" cy="61" r="1.5" fill="currentColor"></circle></g><g id="cluster-elect-n5"><circle cx="57" cy="35" r="3.5" fill="none" stroke="currentColor" stroke-width=".8"></circle><circle cx="57" cy="35" r="1.5" fill="currentColor"></circle></g><g id="cluster-elect-leader"><circle cx="80" cy="22" r="4.5" fill="none" stroke="currentColor" stroke-width="1.2"></circle><circle cx="80" cy="22" r="2.2" fill="currentColor"></circle><circle id="cluster-elect-crown" cx="80" cy="22" r="6.5" fill="none" stroke="currentColor" stroke-dasharray="2 2" stroke-width=".8" opacity="0"></circle></g></svg>

animation.css

.pulsar-cluster-elect {
  --pulsar-accent: currentColor;
}

.pulsar-cluster-elect #cluster-elect-wave1,
.pulsar-cluster-elect #cluster-elect-wave2,
.pulsar-cluster-elect #cluster-elect-crown {
  stroke: var(--pulsar-accent, currentColor);
}

.pulsar-cluster-elect #cluster-elect-leader circle:nth-child(2) {
  fill: var(--pulsar-accent, currentColor);
}

.pulsar-cluster-elect [id^='cluster-elect-n'] circle:last-child {
  fill: var(--pulsar-accent, currentColor);
}

/* Election flutter across nodes */
.pulsar-cluster-elect [id^='cluster-elect-n'] {
  animation: cluster-elect-campaign 6000ms ease-in-out infinite;
}

@keyframes cluster-elect-campaign {
  0%,
  35% {
    opacity: 0.8;
  }
  5%,
  15%,
  25% {
    opacity: 0.2;
  }
  10%,
  20%,
  30% {
    opacity: 1;
  }
  45%,
  85% {
    opacity: 0.35;
  }
  100% {
    opacity: 0.8;
  }
}

/* Leader expansion and victory */
.pulsar-cluster-elect #cluster-elect-leader {
  transform-origin: 80px 22px;
  animation: cluster-elect-victory 6000ms cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

@keyframes cluster-elect-victory {
  0%,
  35% {
    transform: scale(1);
  }
  45%,
  85% {
    transform: scale(1.35);
  }
  95%,
  100% {
    transform: scale(1);
  }
}

.pulsar-cluster-elect #cluster-elect-crown {
  animation: cluster-elect-crown-spin 6000ms linear infinite;
}

@keyframes cluster-elect-crown-spin {
  0%,
  35% {
    opacity: 0;
  }
  45%,
  85% {
    opacity: 0.9;
  }
  95%,
  100% {
    opacity: 0;
  }
}

/* Radiating leadership waves */
.pulsar-cluster-elect #cluster-elect-wave1 {
  transform-origin: 80px 22px;
  animation: cluster-elect-beacon 6000ms 0ms ease-out infinite;
}

.pulsar-cluster-elect #cluster-elect-wave2 {
  transform-origin: 80px 22px;
  animation: cluster-elect-beacon 6000ms 400ms ease-out infinite;
}

@keyframes cluster-elect-beacon {
  0%,
  40% {
    opacity: 0;
    transform: scale(0.5);
  }
  48% {
    opacity: 0.8;
  }
  75% {
    opacity: 0;
    transform: scale(3.5);
  }
  100% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pulsar-cluster-elect * {
    animation: none !important;
  }
  .pulsar-cluster-elect #cluster-elect-leader {
    transform: scale(1.35);
  }
  .pulsar-cluster-elect #cluster-elect-crown {
    opacity: 0.9;
  }
  .pulsar-cluster-elect [id^='cluster-elect-n'] {
    opacity: 0.35;
  }
}

From this family15 in Cluster

See the family