Neon Pulse
Multi-layered box-shadows create a breathing neon glow that pulses rhythmically on hover.
Neon Pulse the 4th of 21 designs in the 21 CSS Button Hover Effects 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
<button class="bhe-04__btn">NEON</button>
.bhe-04__btn {
padding: 12px 32px;
font-size: 13.5px;
font-family: inherit;
font-weight: 500;
border-radius: 8px;
cursor: pointer;
background: transparent;
color: inherit;
}
.bhe-04__btn {
color: #2ecc8a;
border: 2px solid #2ecc8a;
background: transparent;
text-transform: uppercase;
letter-spacing: 0.08em;
transition: all 0.3s;
}
.bhe-04__btn:hover {
background: rgba(46, 204, 138, 0.1);
animation: neonpulse 1.2s ease-in-out infinite;
}
@keyframes neonpulse {
0%,
100% {
box-shadow:
0 0 12px #2ecc8a,
0 0 28px rgba(46, 204, 138, 0.35);
}
50% {
box-shadow:
0 0 20px #2ecc8a,
0 0 50px rgba(46, 204, 138, 0.55),
0 0 80px rgba(46, 204, 138, 0.2);
}
}
@media (prefers-reduced-motion: reduce) {
.bhe-04__btn,
.bhe-04__btn * {
animation: none !important;
}
}