Swing In Letters Text Effect: CSS Text Animation

Swing In Letters Text Effect

Each letter drops in hanging from its top edge and swings back and forth like a sign on a hook, losing a little each pass. A damped pendulum written as alternating ease-in-out keyframes.

Also known as: hanging letters animation, swing in text css, pendulum letters entrance.

Hang in there

Color Font size 40px Dark background

HTML

<div class="txt-swing-in-letters" aria-label="Hang in there"><span style="--i: 0">H</span><span style="--i: 1">a</span><span style="--i: 2">n</span><span style="--i: 3">g</span><span style="--i: 4">&nbsp;</span><span style="--i: 5">i</span><span style="--i: 6">n</span><span style="--i: 7">&nbsp;</span><span style="--i: 8">t</span><span style="--i: 9">h</span><span style="--i: 10">e</span><span style="--i: 11">r</span><span style="--i: 12">e</span></div>

CSS

.txt-swing-in-letters {
  --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: var(--c);
  white-space: nowrap;}
.txt-swing-in-letters span {
  display: inline-block;
  transform-origin: 50% 0;
  animation: txt-swing-in-letters-swing 1.5s ease-in-out calc(var(--i) * 80ms) both;
}
@keyframes txt-swing-in-letters-swing {
  0%   { opacity: 0; transform: translateY(-0.5em) rotate(50deg); }
  22%  { opacity: 1; transform: translateY(0) rotate(-28deg); }
  42%  { transform: translateY(0) rotate(16deg); }
  60%  { transform: translateY(0) rotate(-8deg); }
  75%  { transform: translateY(0) rotate(4deg); }
  89%  { transform: translateY(0) rotate(-1.5deg); }
  100% { opacity: 1; transform: translateY(0) rotate(0); }
}

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

Customizing this snippet

Color: set --txt-color on the element or a parent. Currently previewing #3b82f6.
Font size: set --txt-size. Every other dimension is in em, so the whole thing scales together. Currently previewing 40px.
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.

Swing In Letters Text Effect

HTML

CSS

Customizing this snippet

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