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<!DOCTYPE html>
<title>CSS Anchor Positioning Test: scroll adjusted anchor-center</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#anchor-center">
<link rel="match" href="anchor-center-scroll-ref.html">
<style>
body { margin: 0; }
#scroller {
width: 400px;
height: 400px;
overflow: auto;
background: orange;
}
#anchor {
margin-top: 100px;
width: 100px;
height: 100px;
background: pink;
anchor-name: --anchor;
}
#anchored {
position: absolute;
position-anchor: --anchor;
align-self: anchor-center;
width: 50px;
height: 50px;
background: purple;
}
#filler { height: 1000px; }
</style>
<div id="scroller">
<div id="anchor"></div>
<div id="anchored"></div>
<div id="filler"></div>
</div>
<script>
scroller.offsetTop;
scroller.scrollTop = 100;
</script>
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