<!DOCTYPE html>
<meta charset="utf-8">
<title>backdrop-filter: Basic operation of filter</title>
<link rel="author" href="mailto:masonf@chromium.org">



<div>
  <p>Expected: A green box and an overlapping black box, with a magenta<br>
  overlapping region.</p>
</div>
<div class="colorbox"></div>
<div class="box2outside"></div>
<div class="box2inside"></div>

<style>
.colorbox {
    position: absolute;
    background: green;
    width: 100px;
    height: 100px;
    left: 10px;
    top: 100px;
}
.box2outside