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<!DOCTYPE html>
<title>Tests that anchors in anchor-positioned elements are discoverable</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#determining">
<link rel="author" title="Kiet Ho" href="mailto:kiet.ho@apple.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<script src="support/test-common.js"></script>
<style>
.containing-block {
border: 1px solid black;
position: relative;
width: 200px;
height: 150px;
}
.box {
width: 50px;
height: 50px;
}
#anchor-1 {
position: absolute;
top: 50px;
left: 50px;
anchor-name: --anchor-1;
background: green;
}
#anchor-positioned-1 {
position: absolute;
position-anchor: --anchor-1;
position-area: top right;
}
#anchor-2 {
anchor-name: --anchor-2;
background: blue;
}
#anchor-positioned-2 {
position: absolute;
position-anchor: --anchor-2;
position-area: bottom right;
background: cyan;
}
</style>
<body onload="checkLayoutForAnchorPos('.target')">
<div class="containing-block">
<div class="box" id="anchor-1"></div>
<div class="box target" id="anchor-positioned-1" data-offset-x="100" data-offset-y="0">
<div class="box" id="anchor-2"></div>
</div>
<div class="box target" id="anchor-positioned-2" data-offset-x="150" data-offset-y="50"></div>
</div>
</body>
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