<!DOCTYPE html>
<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
--><html style="display: flex; justify-content: center"><head>
<title>CSS Reftest Reference</title>
<link href="mailto:dholbert@mozilla.com" rel="author" title="Daniel Holbert">
<style>
div {
display: flex;
justify-content: center;
}
</style>
</head>
<body>
<div>centered</div>
</body></html>