AI CSS Animations

Marquee Text Button

A bold, boxy button whose label runs past like a news ticker, fading at both edges, and pauses when you hover. Two identical runs slide by half the track width, so the loop has no seam.

Also known as: scrolling text button css, ticker button css, infinite marquee button.

HTML

<button class="btn-marquee" type="button" aria-label="Shop now">
  <span class="btn-marquee-window" aria-hidden="true">
    <span class="btn-marquee-track">
      <span class="btn-marquee-run">Shop now<i>&#10022;</i>Shop now<i>&#10022;</i></span>
      <span class="btn-marquee-run">Shop now<i>&#10022;</i>Shop now<i>&#10022;</i></span>
    </span>
  </span>
</button>

CSS

.btn-marquee {
  --c: var(--btn-color, #3b82f6);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.75em 1.6em;
  border: 0;
  border-radius: 0.6em;
  font: 600 var(--btn-size, 18px)/1.1 system-ui, sans-serif;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  --ink: color-mix(in srgb, var(--c) 45%, #000);
  width: 12em;
  padding: 0.8em 0;
  border: 2px solid var(--ink);
  border-radius: 0.35em;
  background: var(--c);
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 0.22em 0.22em 0 var(--ink);
  transition: transform 0.1s ease-out, box-shadow 0.1s ease-out;}
.btn-marquee-window {
  display: flex;
  overflow: hidden;
  width: 100%;
  -webkit-mask: linear-gradient(90deg, transparent, #000 1.2em, #000 calc(100% - 1.2em), transparent);
  mask: linear-gradient(90deg, transparent, #000 1.2em, #000 calc(100% - 1.2em), transparent);
}
.btn-marquee-track {
  display: flex;
  flex: none;
  animation: btn-marquee-scroll 6s linear infinite;
}
.btn-marquee-run {
  display: flex;
  flex: none;
  align-items: center;
  white-space: nowrap;
}
.btn-marquee-run i {
  margin: 0 0.6em;
  font-style: normal;
  opacity: 0.75;
}
.btn-marquee:is(:hover, :focus-visible) .btn-marquee-track { animation-play-state: paused; }
.btn-marquee:active {
  transform: translate(0.22em, 0.22em);
  box-shadow: 0 0 0 var(--ink);
}
@keyframes btn-marquee-scroll {
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .btn-marquee, .btn-marquee *, .btn-marquee::before, .btn-marquee::after, .btn-marquee *::before, .btn-marquee *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

Customizing this snippet

  • Color: set --btn-color on the element or a parent. Currently previewing #3b82f6.
  • Base size: set --btn-size. Every other dimension is in em, so the whole thing scales together. Currently previewing 18px.
  • Speed: change the duration on the transition or animation shorthand. 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.

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