<a href="#" class="ctc-aurora">
  <span>NEW</span>
</a>

.ctc-aurora {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: 999px;
  background: #0d0d16;
  color: #fff;
  font:
    700 11px/1 ui-monospace,
    monospace;
  letter-spacing: 0.18em;
  text-decoration: none;
  isolation: isolate;
  --ctc-aurora-angle: 0deg;
  animation: ctc-aurora-rotate 6s linear infinite;
}

.ctc-aurora::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: conic-gradient(from var(--ctc-aurora-angle), #7c6cff, #ff6c8a, #2eb88a, #7c6cff);
  z-index: -1;
}

@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-aurora-rotate { to { --ctc-aurora-angle: 360deg; } }