<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head><title>flexbox | nested flexcontainer</title>
<link href="http://opera.com" rel="author" title="Opera Software" />
<link href="http://www.w3.org/TR/css-flexbox-1/#flex-containers" rel="help" />
<link href="reference/flexbox_generated-flex-ref.xht" rel="match" />
<style>
div {
	background: #3366cc;
	border: 1px solid black;
	display: flex;
}
p {
	background: yellow;
	margin: 1em;
	width: 200px;
	height: 2em;
	display: flex;
}
</style>

</head><body><div>
	<p>xxx</p>
</div>
</body></html>