snapshot-containing-block-includes-scrollbar-gutter-ref.html

<!DOCTYPE html>
<html>
<title>View transitions: snapshot containing block includes scrollbar gutters (ref)</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
<link rel="author" href="mailto:[email protected]">
<style>
:root {
  scrollbar-gutter: stable both-edges
}
#view-transition-mock {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: palegreen;
}
#target {
  position: absolute;
  top: 100px;
  left: 0px;
  width: 200px;
  height: 200px;
  background-color: limegreen;
}
</style>
<div id="view-transition-mock">
<!--
    This box should be a scrollbar's width from the left edge and
    exactly aligned with the light green background.
-->
  <div id="target">
  </div>
</div>

chromium/third_party/blink/web_tests/external/wpt/css/css-view-transitions/snapshot-containing-block-includes-scrollbar-gutter-ref.html