Neon Flicker Text
Glowing text that flickers like a neon tube with a loose connection. Layered text-shadows make the glow and a few sharp dips in opacity make the flicker. Best on dark backgrounds.
Also known as: neon sign text, flickering neon, glow text css.
OPEN LATE
HTML
<div class="txt-neon-flicker">OPEN LATE</div>
CSS
.txt-neon-flicker {
--c: var(--txt-color, #3b82f6);
font-size: var(--txt-size, 32px);
font-family: system-ui, sans-serif;
font-weight: 700;
line-height: 1.2;
color: #fff;
letter-spacing: 0.1em;
text-shadow: 0 0 0.1em #fff, 0 0 0.3em var(--c), 0 0 0.8em var(--c), 0 0 1.6em var(--c);
animation: txt-neon-flicker-buzz 3s infinite;}
@keyframes txt-neon-flicker-buzz {
0%, 18%, 22%, 25%, 53%, 57%, 100% {
opacity: 1;
text-shadow: 0 0 0.1em #fff, 0 0 0.3em var(--c), 0 0 0.8em var(--c), 0 0 1.6em var(--c);
}
20%, 24%, 55% {
opacity: 0.6;
text-shadow: none;
}
}
@media (prefers-reduced-motion: reduce) {
.txt-neon-flicker, .txt-neon-flicker *, .txt-neon-flicker::before, .txt-neon-flicker::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
}
}Customizing this snippet
- Color: set
--txt-coloron the element or a parent. Currently previewing#3b82f6. - Font size: set
--txt-size. Every other dimension is inem, so the whole thing scales together. Currently previewing40px. - Speed: change the duration on the
transitionoranimationshorthand. Staggered delays are relative, so they keep their rhythm. - Reduced motion: the rule at the end of the CSS turns the motion off for people who asked their OS for less of it. Keep it.