AI CSS Animations

Rotate In On Scroll

Starts tilted and low, then straightens and rises into place as it scrolls into view, the way card grids settle on landing pages. A view() timeline scrubs a translate and rotate.

Also known as: rotate on scroll css, tilt in on scroll, scroll driven rotate animation.

Tilt

HTML

<div class="kfa-rotate-in-on-scroll">Tilt</div>

CSS

.kfa-rotate-in-on-scroll {
  --c: var(--kfa-color, #3b82f6);
  font-size: var(--kfa-size, 16px);
  display: grid;
  place-items: center;
  width: 5.5em;
  height: 5.5em;
  border-radius: 1em;
  background: var(--c);
  color: #fff;
  font-family: system-ui, sans-serif;
  font-weight: 700;
  box-shadow: 0 0.6em 1.4em -0.6em color-mix(in srgb, var(--c) 70%, transparent);
  animation: kfa-rotate-in-on-scroll-in 0.9s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}
/* scroll-driven where supported: the keyframes follow the element into the viewport */
@supports (animation-timeline: view()) {
  .kfa-rotate-in-on-scroll {
    animation:
      kfa-rotate-in-on-scroll-in ease-out both,
      kfa-rotate-in-on-scroll-in 0.9s cubic-bezier(0.22, 1, 0.36, 1) backwards;
    animation-timeline: view(), auto;
    animation-range: entry 0% cover 40%, normal;
  }
}
@keyframes kfa-rotate-in-on-scroll-in {
  from { opacity: 0; transform: translate(-1.5em, 1.75em) rotate(-14deg); }
}

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

Customizing this snippet

  • Color: set --kfa-color on the element or a parent. Currently previewing #3b82f6.
  • Base size: set --kfa-size. Every other dimension is in em, so the whole thing scales together. Currently previewing 16px.
  • 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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