Aurora Outline
Continuously rotating conic-gradient border (violet → pink → mint) using @property for true angle animation. The chip stays still, only the rim rotates. Honours prefers-reduced-motion.
Aurora Outline the 8th of 20 designs in the 20 CSS Tags & Chips Designs collection. The design is implemented in pure CSS — no JavaScript required. Copy the HTML and CSS panels below into your project. Because the demo is pure CSS, it works in any framework or templating engine you happen to use. The design honours prefers-reduced-motion and uses real semantic markup, so it ships accessibility-ready out of the box.
Live preview
The code
<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; } }