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<!DOCTYPE html>
<title>Tests scroll adjustments of element anchored to another anchored element</title>
<link rel="author" href="mailto:wangxianzhu@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-anchor-1/">
<link rel="match" href="reference/anchor-scroll-chained-002-ref.html">
<style>
body {
margin: 0;
}
div {
width: 100px;
height: 100px;
}
#scroller1 {
width: 200px;
height: 200px;
position: relative;
}
#scroller1,#scroller2 {
overflow: scroll;
}
#anchor {
anchor-name: --a1;
height: 20px;
background: orange;
}
#anchored1 {
position: absolute;
position-anchor: --a1;
left: anchor(left);
top: anchor(bottom);
background: green;
anchor-name: --a2;
z-index: 1;
}
#anchored2 {
position: absolute;
position-anchor: --a2;
left: anchor(left);
top: anchor(bottom);
background: lime;
z-index: 1;
}
</style>
<div id="anchored2"></div>
<div id="scroller1">
<div id="anchored1"></div>
<div style="height: 100px"></div>
<div id="scroller2">
<div style="height: 230px"></div>
<div id="anchor"></div>
<div style="height: 230px"></div>
</div>
<div style="height: 100px"></div>
</div>
<script>
scroller1.scrollTop = 80;
scroller2.scrollTop = 200;
</script>
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