<html>
<head>
<!--An absolute positioned block should not obey the alignment of its parent block.
    The blue block should be 150 pixels off the left of the page.
    https://bugs.webkit.org/show_bug.cgi?id=4860-->
</head>
<body>
<div align="center">
<div style="position:absolute; bottom:10px; width:200px; height:50px; margin-left:-150px; background:blue;"></div>
</div>

</body></html>