Pulsar

Comment Expand

CSS

A tiny circular text anchor expands horizontally into a rectangular callout box containing two pulsing text line drafts.

Tier
CSS
Dependencies
None
Duration
4 s, loops
Categories
Transitions and reveals
Use cases
Collaboration, Transitions and reveals
Industries
Legal, Cross-industry
Style
Technical · light stroke
Set
redline
Tags
scalegeometriclineone-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
Comment Expand, not animated
Download SVG

Code

animation.svg

<svg xmlns="http://www.w3.org/2000/svg" fill="none" aria-hidden="true" class="pulsar pulsar-redline-comment-expand" data-pulsar="redline-comment-expand" viewBox="0 0 160 96"><g stroke="currentColor" stroke-width="1.25" class="anchor-line" opacity=".3"><line x1="20" x2="56" y1="48" y2="48" stroke-linecap="round"></line></g><g class="callout-box"><rect width="88" height="44" x="56" y="26" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5" rx="4"></rect><path stroke="var(--pulsar-accent, currentColor)" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="m56 44-6 4 6 4"></path><line x1="66" x2="134" y1="38" y2="38" stroke="currentColor" stroke-linecap="round" stroke-width="1.75"></line><line x1="66" x2="122" y1="50" y2="50" stroke="currentColor" stroke-linecap="round" stroke-width="1.75"></line><line x1="66" x2="116" y1="62" y2="62" stroke="currentColor" stroke-linecap="round" stroke-width="1.75"></line></g><circle cx="56" cy="48" r="4" stroke="var(--pulsar-accent, currentColor)" stroke-width="1.5" class="anchor-dot"></circle></svg>

animation.css

.pulsar-redline-comment-expand {
  display: block;
  width: 100%;
  height: 100%;
}
.pulsar-redline-comment-expand .callout-box {
  transform-origin: 56px 48px;
  animation: redline-comment-expand-unfold 4s ease-in-out infinite;
}
.pulsar-redline-comment-expand .anchor-dot {
  animation: redline-comment-expand-anchor 4s ease-in-out infinite;
}
@keyframes redline-comment-expand-unfold {
  0%,
  5% {
    transform: scaleX(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  40%,
  75% {
    transform: scaleX(1);
    opacity: 1;
  }
  90%,
  100% {
    transform: scaleX(0);
    opacity: 0;
  }
}
@keyframes redline-comment-expand-anchor {
  0%,
  5% {
    transform: scale(1.5);
    opacity: 1;
  }
  15%,
  85% {
    transform: scale(1);
    opacity: 0.8;
  }
  95%,
  100% {
    transform: scale(1.5);
    opacity: 0.3;
  }
}
@media (prefers-reduced-motion: reduce) {
  .pulsar-redline-comment-expand .callout-box,
  .pulsar-redline-comment-expand .anchor-dot {
    animation: none;
    transform: none;
    opacity: 0.8;
  }
}

From this family15 in Redline

See the family