<!DOCTYPE html>
<html>
<head>
<title>CSS Test: Anchor of the element</title>
<link rel="author" title="Jihye Hong" href="mailto:jh.hong@lge.com" />
<link rel="help" href="https://www.w3.org/TR/css-round-display-1/#polar-anchor-property">
<meta name="flags" content="">
<meta name="assert" content="Test checks that the representative point of the element specified with 'polar-anchor'.">
<style type="text/css">
.container {
width: 200px;
height: 200px;
border: medium solid black;
}
.item {
position: absolute;
polar-anchor: center;
left: 50px;
width: 50px;
height: 50px;
background-color: red;
}
</style>
</head>
<body>
<p>Test passes if the center of a red box is positioned at 50px far from the left edge of the containing block.<br>
The element is positioned using Cartesian coordinates and the anchor point is at its center.</p>
<div class="container">
<div class="item"></div>
</div>
</body>
</html>