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chromium/third_party/blink/web_tests/external/wpt/css/css-view-transitions/3d-transform-incoming-ref.html 

<!DOCTYPE html>
<title>View transitions: 3d transform ref</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="author" href="mailto:[email protected]">
<style>
div { box-sizing: border-box; will-change: transform }
.wrap_perspective {
  perspective: 100px;
  width: max-content;
  transform: translate(200px);
}
.rotatex {
  transform-style: preserve-3d;
  transform: rotateX(20deg);
  background: blue;
}
.shared {
  width: 100px;
  height: 100px;
  view-transition-name: shared;
}
body { background: pink }

</style>

<div class="wrap_perspective"><div class="rotatex shared"></div></div>