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<!DOCTYPE html>
<title>Tests the 'anchor-default' property</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-1/#anchor-default">
<link rel="author" href="mailto:xiaochengh@chromium.org">
<link rel="match" href="anchor-default-ref.html">
<style>
.anchor {
width: 100px;
height: 100px;
background: orange;
}
.target {
position: fixed;
background: lime;
position-fallback: --pf;
}
@position-fallback --pf {
@try {
top: anchor(bottom, 0px);
left: anchor(left, 0px);
width: anchor-size(width, 0px);
height: anchor-size(height, 0px);
}
}
body {
margin: 0;
}
#anchor1 {
anchor-name: --a1;
margin-left: 100px;
}
#target1 {
anchor-default: --a1;
}
#anchor2 {
anchor-name: --a2;
margin-left: 300px;
margin-top: 100px;
}
#target2 {
anchor-default: --a2;
}
</style>
<div id="anchor1" class="anchor">anchor1</div>
<div id="anchor2" class="anchor">anchor2</div>
<div id="target1" class="target">target1</div>
<div id="target2" class="target">target2</div>
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