Staggered animation

CSS, Animation

Creates a staggered animation for the elements of a list.

  • Set the opacity to 0 and transform to translateX(100%) to make list elements transparent and move them all the way to the right.
  • Specify the appropriate transition properties for list elements, except transition-delay which is specified relative to the --i custom property.
  • Use inline styles to specify a value for --i for each list element, which will in turn be used for transition-delay to create the stagger effect.
  • Use the :checked pseudo-class selector for the checkbox to appropriately style list elements, setting opacity to 1 and transform to translateX(0) to make them appear and slide into view.
Preview
  • Home
  • Pricing
  • Account
  • Support
  • About
<div class="container">
  <input type="checkbox" name="menu" id="menu" class="menu-toggler">
  <label for="menu" class="menu-toggler-label">Menu</label>
  <ul class="stagger-menu">
    <li style="--i: 0">Home</li>
    <li style="--i: 1">Pricing</li>
    <li style="--i: 2">Account</li>
    <li style="--i: 3">Support</li>
    <li style="--i: 4">About</li>
  </ul>
</div>
.container {
  overflow-x: hidden;
  width: 100%;
}

.menu-toggler {
  display: none;
}

.menu-toggler-label {
  cursor: pointer;
  font-size: 20px;
  font-weight: bold;
}

.stagger-menu {
  list-style-type: none;
  margin: 16px 0;
  padding: 0;
}

.stagger-menu li {
  margin-bottom: 8px;
  font-size: 18px;
  opacity: 0;
  transform: translateX(100%);
  transition-property: opacity, transform;
  transition-duration: 0.3s;
  transition-timing-function: cubic-bezier(0.750, -0.015, 0.565, 1.055);
}

.menu-toggler:checked ~ .stagger-menu li {
  opacity: 1;
  transform: translateX(0);
  transition-delay: calc(0.055s * var(--i));
}
View on GitHub

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