<!doctype html>
<meta charset="utf-8">
<title>CSS Test Reference</title>
<table>
<tbody>
<tr>
<td>A</td>
<td id="target" style="position: relative">B
<div style="position: absolute; top: 0; left: 0; width: 100px; height: 100px; background-color: lime;"></div>
</td>
</tbody>
</table>