css/css-view-transitions/element-stops-grouping-after-animation-ref.html

<!DOCTYPE html>
<html>
<title>View transitions: element remains grouping during transition</title>
<link rel="help" href="https://www.w3.org/TR/css-view-transitions-1/">
<link rel="author" href="mailto:vmpstr@chromium.org">

<style>
.parent {
  top: 0;
  width: 100px;
  height: 100px;
  position: absolute;
  background: blue;
  transform-style: preserve-3d;
}
.child {
  background: green;
  width: 100px;
  height: 100px;
  top: 0;
  left: 0;
  position: absolute;
  transform: translateZ(-500px);
}
body {
  perspective: 1000px;
  height: 500px;
}
</style>

<div class=parent><div class=child></div></div>