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<!DOCTYPE html>
<meta charset="utf-8">
<title>backdrop-filter: Basic operation of filter</title>
<link rel="author" href="mailto:masonf@chromium.org">
<link rel="help" href="https://drafts.fxtf.org/filter-effects-2/#BackdropFilterProperty">
<link rel="match" href="backdrop-filter-basic-ref.html">
<div>
<p>Expected: A green box and an overlapping black box, with a magenta<br>
overlapping region.</p>
</div>
<div class="colorbox">
<div class="filterbox"></div>
</div>
<style>
.colorbox {
position: absolute;
background: green;
width: 100px;
height: 100px;
left: 10px;
top: 100px;
}
.filterbox {
position: absolute;
width: 100px;
height: 100px;
left: 50px;
top: 50px;
backdrop-filter: invert(1);
opacity: 1.0;
}
</style>
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