<!DOCTYPE html>
<meta charset="utf-8">
<title>backdrop-filter: Should not filter outside parent stacking context.</title>
<link rel="author" title="Mason Freed" href="mailto:masonfreed@chromium.org">
<link rel="help" href="https://drafts.fxtf.org/filter-effects-2/#BackdropFilterProperty">
<link rel="match"  href="backdrop-filter-isolation-ref.html">

<div class="outside">
  <div class="stacking-context">
    <div class="filter">
    </div>
  </div>
</div>


<style>
div {
  position: absolute;
  width: 100px;
  height: 100px;
  background: green;
}
.outside {
  top: 10px;
  left: 10px;
}
.stacking-context {
  isolation: isolate;
  top: 0px;
  left: 120px;
}
.filter {
  width: 160px;
  height: 160px;
  top: 30px;
  left: -90px;
  opacity: 0.3;
  backdrop-filter: invert(1);
  background: yellow;
}
</style>