chromium/third_party/blink/web_tests/external/wpt/css/css-view-transitions/web-animations-api-ref.html

<!DOCTYPE html>
<title>View transitions: one element captured for two tags (ref)</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="author" href="mailto:[email protected]">
<style>
div {
  position: fixed;
  top: 0;
  left: 0;
}
#first {
  background: blue;
  width: 100px;
  height: 100px;
  transform: translate(100px);
}
#second {
  background: green;
  width: 100px;
  height: 100px;
  transform: translate(150px);
}
</style>
<div id=first></div>
<div id=second></div>