Back to CSS Tags & Chips Status Pulse Pure CSS
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HTML
<div class="ctc-status">
  <span class="ctc-status-chip ctc-status-live">
    <span class="ctc-status-dot" aria-hidden="true"></span>Live
  </span>
  <span class="ctc-status-chip ctc-status-warn">
    <span class="ctc-status-dot" aria-hidden="true"></span>Degraded
  </span>
  <span class="ctc-status-chip ctc-status-err">
    <span class="ctc-status-dot" aria-hidden="true"></span>Down
  </span>
  <span class="ctc-status-chip ctc-status-info">
    <span class="ctc-status-dot" aria-hidden="true"></span>Maintenance
  </span>
</div>
CSS
.ctc-status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ctc-status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px 5px 8px;
  border-radius: 999px;
  font:
    600 11px/1 system-ui,
    sans-serif;
  border: 1px solid;
}

.ctc-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  position: relative;
}

.ctc-status-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: inherit;
  animation: ctc-status-ping 1.6s ease-out infinite;
}

.ctc-status-live {
  background: rgba(46, 204, 138, 0.12);
  color: #2ecc8a;
  border-color: rgba(46, 204, 138, 0.35);
}

.ctc-status-live .ctc-status-dot {
  background: #2ecc8a;
}

.ctc-status-warn {
  background: rgba(245, 168, 74, 0.12);
  color: #f5a84a;
  border-color: rgba(245, 168, 74, 0.35);
}

.ctc-status-warn .ctc-status-dot {
  background: #f5a84a;
}

.ctc-status-err {
  background: rgba(255, 61, 110, 0.12);
  color: #ff6c8a;
  border-color: rgba(255, 61, 110, 0.35);
}

.ctc-status-err .ctc-status-dot {
  background: #ff3d6e;
}

.ctc-status-info {
  background: rgba(96, 165, 250, 0.12);
  color: #60a5fa;
  border-color: rgba(96, 165, 250, 0.35);
}

.ctc-status-info .ctc-status-dot {
  background: #60a5fa;
}

@media (prefers-reduced-motion: reduce) {
  .ctc-slide:hover,
  .ctc-aurora,
  .ctc-status-dot::after,
  .ctc-marquee:hover .ctc-marquee-track,
  .ctc-marquee:focus-visible .ctc-marquee-track,
  .ctc-life-chip[data-state="adding"],
  .ctc-life-chip[data-state="adding"] .ctc-life-icon {
    animation: none !important;
  }
  .ctc-life-chip[data-state="adding"] {
    transform: none;
    opacity: 1;
  }
}

@keyframes ctc-status-ping {
  0%   { transform: scale(1);   opacity: 0.7; }
  100% { transform: scale(2.6); opacity: 0;   }
}