AI CSS Animations

Scattered Letters Assemble Effect

Letters start scattered and spun around the card, then fly home into a tidy line. Each span carries its own start offset and angle in custom properties, so one keyframe drives them all.

Also known as: letters come together animation, scatter to order text, letters fly into place.

Come together

HTML

<div class="txt-scattered-letters-assemble" aria-label="Come together"><span style="--i: 0; --x: -1.8em; --y: -1.2em; --r: -60deg">C</span><span style="--i: 1; --x: 1.4em; --y: 1.1em; --r: 45deg">o</span><span style="--i: 2; --x: -0.6em; --y: 1.4em; --r: -110deg">m</span><span style="--i: 3; --x: 2.1em; --y: -0.9em; --r: 80deg">e</span><span style="--i: 4; --x: 0em; --y: 0em; --r: 0deg">&nbsp;</span><span style="--i: 5; --x: -2.2em; --y: 0.6em; --r: 30deg">t</span><span style="--i: 6; --x: 0.9em; --y: -1.4em; --r: -75deg">o</span><span style="--i: 7; --x: -1.2em; --y: -0.6em; --r: 120deg">g</span><span style="--i: 8; --x: 1.8em; --y: 1em; --r: -40deg">e</span><span style="--i: 9; --x: -0.4em; --y: -1.3em; --r: 95deg">t</span><span style="--i: 10; --x: 2.2em; --y: 0.3em; --r: -130deg">h</span><span style="--i: 11; --x: -1.6em; --y: 1.2em; --r: 60deg">e</span><span style="--i: 12; --x: 0.6em; --y: 1.4em; --r: -90deg">r</span></div>

CSS

.txt-scattered-letters-assemble {
  --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;}
/* --x, --y and --r on each span hold where that letter starts */
.txt-scattered-letters-assemble span {
  display: inline-block;
  animation: txt-scattered-letters-assemble-home 1.1s cubic-bezier(0.2, 0.8, 0.2, 1) calc(0.1s + var(--i) * 30ms) both;
}
@keyframes txt-scattered-letters-assemble-home {
  0%   { opacity: 0; transform: translate(var(--x), var(--y)) rotate(var(--r)) scale(0.7); }
  30%  { opacity: 1; }
  100% { opacity: 1; transform: translate(0, 0) rotate(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .txt-scattered-letters-assemble, .txt-scattered-letters-assemble *, .txt-scattered-letters-assemble::before, .txt-scattered-letters-assemble::after, .txt-scattered-letters-assemble *::before, .txt-scattered-letters-assemble *::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.

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