Not sure what file to look in, but when I viewed the source of the comment page, this is the coding I saw. This is what centers it.
<!-- Center Column -->
<td width="60%" valign="top">
<table border="0" cellspacing="0" cellpadding="0">
<tr>
<td align="center">
<div class="topContent">
</div>
<div id="Container">
<div class="centerContent">
</div>
<div lang="en-UK">
<div class="centerTitle">Test</div>
<div class="centerContent">
<div class="centerDate">25/02/06</div>
<p>Something to test the set up. <a href="http://www.bbc.co.uk">A link - Click Me</a> Something to test the set up. <a href="http://www.bbc.co.uk">A link</a> Something to test the set up. <a href="http://www.bbc.co.uk">A link - Click Me</a> Something to test the set up. <a href="http://www.bbc.co.uk">A link - Click Me</a>
</p>
Not sure what file to look in, but when I viewed the source of the comment page, this is the coding I saw. This is what centers it.