Pulsar

Quorum

CSS

A cluster of nodes loses heartbeat quorum when a majority partition drops, triggering an automatic promotion signal to a standby replica cluster.

Tier
CSS
Dependencies
None
Duration
5.5 s, loops
Categories
Icons and micro-interactions
Use cases
Errors and warnings, Workflow and approvals
Industries
IT services and infrastructure, Cross-industry
Style
Technical · light stroke
Set
failover
Tags
circlegeometriclooppulsering

Companion assets

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

Animated
CSS tier
Static vector
Quorum, not animated
Download SVG

Code

animation.svg

<svg xmlns="http://www.w3.org/2000/svg" fill="none" aria-hidden="true" class="pulsar pulsar-failover-quorum" data-pulsar="failover-quorum" viewBox="0 0 160 96"><rect width="68" height="64" x="18" y="16" stroke="currentColor" stroke-dasharray="2 3" stroke-width="1.2" opacity=".4" rx="6"></rect><g stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5"><circle id="failover-quorum-node-a" cx="36" cy="34" r="8" fill="currentColor" fill-opacity=".08"></circle><circle id="failover-quorum-node-b" cx="36" cy="62" r="8" fill="currentColor" fill-opacity=".08"></circle><circle cx="64" cy="48" r="8" fill="currentColor" fill-opacity=".08"></circle><line id="failover-quorum-link-ab" x1="36" x2="36" y1="42" y2="54" opacity=".6"></line><line id="failover-quorum-link-ca" x1="58" x2="43" y1="43" y2="37" opacity=".6"></line><line id="failover-quorum-link-cb" x1="58" x2="43" y1="53" y2="59" opacity=".6"></line></g><path id="failover-quorum-trigger" stroke="var(--pulsar-accent, currentColor)" stroke-dasharray="3 3" stroke-linecap="round" stroke-width="2" d="M86 48h28"></path><g id="failover-quorum-standby" stroke="var(--pulsar-accent, currentColor)" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5"><circle cx="128" cy="48" r="14" fill="var(--pulsar-accent, currentColor)" fill-opacity=".1"></circle><circle cx="128" cy="48" r="5" fill="var(--pulsar-accent, currentColor)"></circle><circle id="failover-quorum-standby-halo" cx="128" cy="48" r="19" stroke-dasharray="2 3"></circle></g></svg>

animation.css

.pulsar-failover-quorum #failover-quorum-node-a,
.pulsar-failover-quorum #failover-quorum-node-b,
.pulsar-failover-quorum #failover-quorum-link-ab,
.pulsar-failover-quorum #failover-quorum-link-ca,
.pulsar-failover-quorum #failover-quorum-link-cb {
  animation: failover-quorum-partition 5500ms ease-in-out infinite;
}

@keyframes failover-quorum-partition {
  0%,
  28% {
    opacity: 1;
  }
  38%,
  82% {
    opacity: 0.15;
  }
  90%,
  100% {
    opacity: 1;
  }
}

.pulsar-failover-quorum #failover-quorum-trigger {
  animation: failover-quorum-signal 5500ms ease-in-out infinite;
}

@keyframes failover-quorum-signal {
  0%,
  34% {
    opacity: 0.2;
    stroke-dashoffset: 0;
  }
  42%,
  82% {
    opacity: 1;
    stroke-dashoffset: -12;
  }
  90%,
  100% {
    opacity: 0.2;
    stroke-dashoffset: 0;
  }
}

.pulsar-failover-quorum #failover-quorum-standby {
  animation: failover-quorum-standby-state 5500ms ease-in-out infinite;
}

@keyframes failover-quorum-standby-state {
  0%,
  36% {
    opacity: 0.3;
    transform: scale(0.9);
  }
  46%,
  82% {
    opacity: 1;
    transform: scale(1.05);
  }
  92%,
  100% {
    opacity: 0.3;
    transform: scale(0.9);
  }
}

.pulsar-failover-quorum #failover-quorum-standby-halo {
  transform-origin: 128px 48px;
  animation: failover-quorum-halo-pulse 5500ms ease-out infinite;
}

@keyframes failover-quorum-halo-pulse {
  0%,
  40% {
    opacity: 0;
    transform: scale(0.8);
  }
  48%,
  80% {
    opacity: 0.85;
    transform: scale(1.25);
  }
  88%,
  100% {
    opacity: 0;
    transform: scale(0.8);
  }
}

@media (prefers-reduced-motion: reduce) {
  .pulsar-failover-quorum * {
    animation: none !important;
  }
}

From this family15 in Failover

See the family