<html>
    <head>
        <style>
            div
            {
                -webkit-column-span: all; 
                display: table-cell;
            }
        </style>
    </head>
    <body>
        <div>
            <div></div>
        </div>
        PASS
        <script>
            if (window.testRunner)
                testRunner.dumpAsText();
        </script>
    </body>
</html>