filtered-block-is-container-ref.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Filter: Filtered block establishes a containing block reference.</title>
<link rel="author" title="Vladimir Levin" href="mailto:[email protected]">

<style>
#scroller {
  width: 500px;
  height: 500px;
  overflow: scroll
}
.spacer {
  width: 1000px;
  height: 500px;
  background-color: lightgreen;
}
#transform {
  /* no-op transform */
  transform: translateX(0px);
  width: 100px;
  height: 50px;
  background-color: lightblue;
}
#fixed, #absolute {
  width: 100px;
  height: 100px;
}
#fixed {
  position: fixed;
  top: 100px;
  left: 150px;
  background-color: green;
}
#absolute {
  position: absolute;
  top: 200px;
  left: 300px;
  background-color: blue;
}
</style>

<div id="scroller">
  <div class="spacer">
  </div>
  <div id="transform">
    <div id="fixed"></div>
    <div id="absolute"></div>
  </div>
  <div class="spacer">
  </div>
</div>

<script>
window.onload = function() {
  document.getElementById("scroller").scrollTo(50, 250);
}
</script>

chromium/third_party/blink/web_tests/external/wpt/css/filter-effects/filtered-block-is-container-ref.html