Pulsar

Merge Stack

CSS

Two separate document page outlines slide into each other to form a stacked, unified folder icon that pulses with a green border.

Tier
CSS
Dependencies
None
Duration
4 s, loops
Categories
Transitions and reveals
Use cases
Success and confirmation, Transitions and reveals
Industries
Legal, Cross-industry
Style
Technical · light stroke
Set
redline
Tags
scalegeometricstrokeone-shot

Companion assets

The same artwork, not animated. Derived from the entry’s own resting state, so it matches exactly.

Animated
CSS tier
Static vector
Merge Stack, not animated
Download SVG

Code

animation.svg

<svg xmlns="http://www.w3.org/2000/svg" fill="none" aria-hidden="true" class="pulsar pulsar-redline-merge-stack" data-pulsar="redline-merge-stack" viewBox="0 0 160 96"><g class="doc-a"><rect width="40" height="52" x="32" y="18" stroke="currentColor" stroke-width="1.25" rx="3"></rect><line x1="40" x2="64" y1="30" y2="30" stroke="currentColor" stroke-linecap="round" stroke-width="1.5"></line><line x1="40" x2="62" y1="40" y2="40" stroke="currentColor" stroke-linecap="round" stroke-width="1.5"></line><line x1="40" x2="60" y1="50" y2="50" stroke="currentColor" stroke-linecap="round" stroke-width="1.5"></line></g><g class="doc-b"><rect width="40" height="52" x="88" y="26" stroke="currentColor" stroke-width="1.25" rx="3"></rect><line x1="96" x2="120" y1="38" y2="38" stroke="currentColor" stroke-linecap="round" stroke-width="1.5"></line><line x1="96" x2="118" y1="48" y2="48" stroke="currentColor" stroke-linecap="round" stroke-width="1.5"></line><line x1="96" x2="116" y1="58" y2="58" stroke="currentColor" stroke-linecap="round" stroke-width="1.5"></line></g><g class="merged-result" opacity="0"><rect width="64" height="52" x="48" y="22" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.75" rx="3"></rect><rect width="64" height="52" x="44" y="26" stroke="currentColor" opacity=".5" rx="3"></rect><line x1="60" x2="100" y1="36" y2="36" stroke="currentColor" stroke-linecap="round" stroke-width="1.5"></line><line x1="60" x2="96" y1="48" y2="48" stroke="currentColor" stroke-linecap="round" stroke-width="1.5"></line><line x1="60" x2="92" y1="60" y2="60" stroke="currentColor" stroke-linecap="round" stroke-width="1.5"></line></g></svg>

animation.css

.pulsar-redline-merge-stack {
  display: block;
  width: 100%;
  height: 100%;
}
.pulsar-redline-merge-stack .doc-a {
  transform-origin: 52px 48px;
  animation: redline-merge-stack-slide-a 4s ease-in-out infinite;
}
.pulsar-redline-merge-stack .doc-b {
  transform-origin: 108px 52px;
  animation: redline-merge-stack-slide-b 4s ease-in-out infinite;
}
.pulsar-redline-merge-stack .merged-result {
  animation: redline-merge-stack-appear 4s ease-in-out infinite;
}
@keyframes redline-merge-stack-slide-a {
  0%,
  10% {
    transform: translateX(0);
    opacity: 1;
  }
  45% {
    transform: translateX(20px);
    opacity: 0;
  }
  55%,
  90% {
    transform: translateX(20px);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}
@keyframes redline-merge-stack-slide-b {
  0%,
  10% {
    transform: translateX(0);
    opacity: 1;
  }
  45% {
    transform: translateX(-20px);
    opacity: 0;
  }
  55%,
  90% {
    transform: translateX(-20px);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}
@keyframes redline-merge-stack-appear {
  0%,
  40% {
    opacity: 0;
  }
  55%,
  80% {
    opacity: 1;
  }
  92%,
  100% {
    opacity: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .pulsar-redline-merge-stack .doc-a,
  .pulsar-redline-merge-stack .doc-b,
  .pulsar-redline-merge-stack .merged-result {
    animation: none;
    transform: none;
    opacity: 0.8;
  }
}

From this family15 in Redline

See the family