AI CSS Animations

Flip Card

The card turns over to show its back. Front and back are stacked faces with backface-visibility hidden inside a 3D-preserving wrapper, so both sides render crisply.

Also known as: 3D flip card, front back card hover, card rotate.

Design

Hover to flip

Details

Figma, tokens, motion.

HTML

<div class="hfx-card-flip">
  <div class="hfx-card-flip-inner">
    <div class="hfx-card-flip-front"><h3>Design</h3><p>Hover to flip</p></div>
    <div class="hfx-card-flip-back"><h3>Details</h3><p>Figma, tokens, motion.</p></div>
  </div>
</div>

CSS

.hfx-card-flip {
  --c: var(--hfx-color, #3b82f6);
  font-size: var(--hfx-size, 16px);
  width: 12em;
  height: 8em;
  perspective: 40em;
  font-family: system-ui, sans-serif;
}
.hfx-card-flip-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.6s ease;
}
.hfx-card-flip:hover .hfx-card-flip-inner { transform: rotateY(180deg); }
.hfx-card-flip-front,
.hfx-card-flip-back {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  border-radius: 0.75em;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.hfx-card-flip-front {
  background: color-mix(in srgb, var(--c) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--c) 35%, transparent);
  color: var(--c);
}
.hfx-card-flip-back {
  background: var(--c);
  color: #fff;
  transform: rotateY(180deg);
}
.hfx-card-flip h3 { margin: 0 0 0.2em; font-size: 1.1em; }
.hfx-card-flip p  { margin: 0; font-size: 0.85em; opacity: 0.85; }

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

Customizing this snippet

  • Color: set --hfx-color on the element or a parent. Currently previewing #3b82f6.
  • Base size: set --hfx-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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