AI CSS Animations

Strikethrough Price Animation

The old price gets a slanted strike and fades back, then the new price springs up beside it. Made for pricing cards and sale banners; the strike is a pseudo-element scaled from the left.

Also known as: sale price animation css, crossed out price, discount price strike.

$49 $29/mo

HTML

<div class="txt-strikethrough-price">
  <s class="txt-strikethrough-price-old">$49</s>
  <span class="txt-strikethrough-price-new">$29<small>/mo</small></span>
</div>

CSS

.txt-strikethrough-price {
  --c: var(--txt-color, #3b82f6);
  font-size: var(--txt-size, 32px);
  font-family: system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  display: inline-flex;
  align-items: baseline;
  gap: 0.4em;
  white-space: nowrap;}
.txt-strikethrough-price-old {
  position: relative;
  font-size: 0.85em;
  font-weight: 600;
  text-decoration: none;
  animation: txt-strikethrough-price-dim 0.35s ease-out 0.7s forwards;
}
.txt-strikethrough-price-old::after {
  content: "";
  position: absolute;
  left: -0.14em;
  right: -0.14em;
  top: 50%;
  height: 0.09em;
  margin-top: -0.02em;
  border-radius: 0.05em;
  background: var(--c);
  transform: rotate(-14deg) scaleX(0);
  transform-origin: 0 50%;
  animation: txt-strikethrough-price-strike 0.4s cubic-bezier(0.6, 0, 0.3, 1) 0.35s forwards;
}
.txt-strikethrough-price-new {
  display: inline-block;
  font-size: 1.5em;
  font-weight: 800;
  color: var(--c);
  opacity: 0;
  transform: translateY(0.35em) scale(0.7);
  animation: txt-strikethrough-price-pop 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) 0.8s forwards;
}
.txt-strikethrough-price-new small {
  margin-left: 0.05em;
  font-size: 0.42em;
  font-weight: 600;
  opacity: 0.75;
}
@keyframes txt-strikethrough-price-strike {
  to { transform: rotate(-14deg) scaleX(1); }
}
@keyframes txt-strikethrough-price-dim {
  to { color: color-mix(in srgb, currentColor 45%, transparent); }
}
@keyframes txt-strikethrough-price-pop {
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .txt-strikethrough-price, .txt-strikethrough-price *, .txt-strikethrough-price::before, .txt-strikethrough-price::after, .txt-strikethrough-price *::before, .txt-strikethrough-price *::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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