Copy Icon Hover: CSS Hover Effect

Copy Icon Hover

The two sheets of a copy icon spread apart on hover and a third copy slides out between them, so the icon literally shows duplicates. Each sheet is filled to hide the one behind it.

Also known as: copy to clipboard icon animation, duplicate icon hover css, layers icon hover.

Color Base size 16px Dark background Hold hover state

HTML

<button class="hfx-copy-icon-layers" aria-label="Copy to clipboard"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><rect class="hfx-copy-icon-layers-back" x="3" y="3" width="12" height="12" rx="2.5"/><rect class="hfx-copy-icon-layers-mid" x="6" y="6" width="12" height="12" rx="2.5"/><rect class="hfx-copy-icon-layers-front" x="9" y="9" width="12" height="12" rx="2.5"/></svg></button>

CSS

.hfx-copy-icon-layers {
  --c: var(--hfx-color, #3b82f6);
  font-size: var(--hfx-size, 16px);
  position: relative;
  display: grid;
  place-items: center;
  width: 3.5em;
  height: 3.5em;
  padding: 0;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  border-radius: 0.85em;
  background: var(--c);
  color: #fff;
  transition: box-shadow 0.3s ease;}
.hfx-copy-icon-layers svg {
  width: 1.6em;
  height: 1.6em;
  overflow: visible;
}
.hfx-copy-icon-layers rect {
  fill: var(--c);
  transform-box: view-box;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.25s ease;
}
.hfx-copy-icon-layers-mid {
  opacity: 0;
  transform: translate(12.5%, 12.5%);
}
.hfx-copy-icon-layers:is(:hover, :focus-visible) { box-shadow: 0 0.45em 1em color-mix(in srgb, var(--c) 35%, transparent); }
.hfx-copy-icon-layers:is(:hover, :focus-visible) .hfx-copy-icon-layers-back { transform: translate(-7%, -7%); }
.hfx-copy-icon-layers:is(:hover, :focus-visible) .hfx-copy-icon-layers-mid {
  opacity: 1;
  transform: translate(0, 0);
}
.hfx-copy-icon-layers:is(:hover, :focus-visible) .hfx-copy-icon-layers-front { transform: translate(7%, 7%); }

@media (prefers-reduced-motion: reduce) {
  .hfx-copy-icon-layers, .hfx-copy-icon-layers *, .hfx-copy-icon-layers::before, .hfx-copy-icon-layers::after, .hfx-copy-icon-layers *::before, .hfx-copy-icon-layers *::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.

Copy Icon Hover

HTML

CSS

Customizing this snippet

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