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Test Info:

<!DOCTYPE html>
<title>CSS Test: Absolutely positioned object in an inline container repsonding to the block width change</title>
<link rel="match" href="abspos-width-change-inline-container-001-ref.html">
<link rel="author" title="Koji Ishii" href="mailto:kojii@chromium.org">
<style>
#container {
text-align: center;
width: 200px;
}
#relpos {
position: relative;
background: red;
}
#abspos {
position: absolute;
left: 0;
top: 0;
width: 50px;
height: 50px;
background: green;
}
</style>
<body>
<div id="container">
<span id="relpos">x
<span id="abspos"></span>
</span>
</div>
<script>
run();
function run() {
document.body.offsetTop;
container.style.width = '100px';
}
</script>
</body>