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<!DOCTYPE html>
<title>CSS Anchor Positioning: anchor(inside/outside)</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#valdef-anchor-inside">
<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#valdef-anchor-outside">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<style>
#cb {
position: relative;
width: 400px;
height: 400px;
border: 1px solid black;
}
#anchor {
position: absolute;
top: 250px;
left: 150px;
background-color: skyblue;
width: 50px;
height: 50px;
anchor-name: --a;
}
.target {
position: absolute;
position-anchor: --a;
background-color: tomato;
width: 10px;
height: 10px;
}
</style>
<div id=cb>
<div id=anchor></div>
<div class=target style="left:anchor(inside)" data-offset-x=150></div>
<div class=target style="left:anchor(outside)" data-offset-x=200></div>
<div class=target style="right:anchor(inside)" data-offset-x=190></div>
<div class=target style="right:anchor(outside)" data-offset-x=140></div>
<div class=target style="top:anchor(inside)" data-offset-y=250></div>
<div class=target style="top:anchor(outside)" data-offset-y=300></div>
<div class=target style="bottom:anchor(inside)" data-offset-y=290></div>
<div class=target style="bottom:anchor(outside)" data-offset-y=240></div>
<!-- Logical -->
<div class=target style="inset-inline-start:anchor(inside)" data-offset-x=150></div>
<div class=target style="inset-inline-start:anchor(outside)" data-offset-x=200></div>
<div class=target style="inset-inline-end:anchor(inside)" data-offset-x=190></div>
<div class=target style="inset-inline-end:anchor(outside)" data-offset-x=140></div>
<div class=target style="inset-block-start:anchor(inside)" data-offset-y=250></div>
<div class=target style="inset-block-start:anchor(outside)" data-offset-y=300></div>
<div class=target style="inset-block-end:anchor(inside)" data-offset-y=290></div>
<div class=target style="inset-block-end:anchor(outside)" data-offset-y=240></div>
</div>
<script>
addEventListener('load', () => checkLayout('.target'));
</script>
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