<!DOCTYPE html>
<html>
<head>
<style>
div.common {background:black; font:40px/1 Ahem;}
div.container {float:right;}
div.reference {top: 220px; position: absolute; display: inline;}
</style>
</head>
<body style="text-align: right">
Both boxes below should be the same width.<br>
https://bugs.webkit.org/show_bug.cgi?id=47975.
<br>
<div class="container common">
<div>XXX</div>
<div>XXX</div>
</div>
<div class="reference common">
<div>XXX</div>
<div>XXX</div>
</div>
</body>
</html>