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<!DOCTYPE html>
<title>CSS Anchor Positioning: inset-area anchored against scrolling anchor</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-position/#inset-area">
<link rel="match" href="inset-area-scroll-adjust-ref.html">
<style>
#scroller {
width: 400px;
height: 200px;
overflow: auto;
}
#anchor {
background: green;
width: 200px;
height: 100px;
}
#anchored {
inset-area: bottom;
margin: 0;
padding: 0;
border: none;
background: green;
width: 200px;
height: 100px;
}
.filler { height: 200px; }
</style>
<p>You should see a green square below</p>
<div id="scroller">
<div class="filler"></div>
<div id="anchor" popovertarget="anchored"></div>
<div id="anchored" anchor="anchor" popover></div>
<div class="filler"></div>
<div class="filler"></div>
</div>
<script>
anchored.showPopover();
scroller.scrollTop = 200;
</script>
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