backdrop-filter-fixed-clip.html | Explore in Territory

<!DOCTYPE html>
<meta charset="utf-8">
<title>backdrop-filter: Should not filter outside of clip/scroll.</title>
<link rel="author" href="mailto:[email protected]">
<link rel="help" href="https://drafts.fxtf.org/filter-effects-2/#BackdropFilterProperty">
<link rel="match"  href="backdrop-filter-fixed-clip-ref.html">

<div style="width:600px;">
  <p>Expected: A green box, overlapping red box, and a small, inset cyan box. The<br>
  cyan should not extend to the bottom/right edges of the red box.</p>
</div>

<div id="A">
  <div id="B">
    <div id="F"></div>
    <div id="T"></div>
  </div>
</div>

<style>
div {
  position:absolute;
  width: 200px;
  height: 200px;
}
#A {
  overflow:hidden;
  top: 110px;
  left: 10px;
}
#B {
  opacity: 0.99999;
  background:green;
}
#F {
  position:fixed;
  background:#f008;
  top:150px;
  left:50px;
}
#T {
  background:#fff8;
  top:90px;
  left:90px;
  backdrop-filter:invert(1);
}
</style>

chromium/third_party/blink/web_tests/external/wpt/css/filter-effects/backdrop-filter-fixed-clip.html