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<!DOCTYPE html>
<meta charset="utf-8">
<title>backdrop-filter: Forms a containing block for fixed/absolute</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-containing-block-ref.html">
<p>Expected: one green square and one red square, both 200px by 200px.</p>
<div class="container">
<div class="fixed-child"></div>
<div class="absolute-child"></div>
</div>
<style>
.container {
width: 200px;
backdrop-filter: invert(1);
}
.fixed-child {
position: fixed;
top: 0;
background-color: green;
width: 100%;
height: 200px;
}
.absolute-child {
position: absolute;
top: 0;
left: 210px;
background-color: red;
width: 100%;
height: 200px;
}
</style>
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