Błąd Wyśrodkowanie opisu posta

wersja skryptu MyBB:1.8.4
adres forum:http://forum.brygadaskill.pl/index.php
na czym polega problem (screen, opis, komunikaty, nazwa stylu/theme/szablonu):

Witam mam problem otóż mam takie coś http://scr.hu/21p0/mfamn mam na małej połowie tak jakby a chciałbym aby to było na całej szerokości forum.

Mój postbit_classic:

{$ignore_bit}
<a name="pid{$post['pid']}" id="pid{$post['pid']}"></a>
<table border="0" cellspacing="0" cellpadding="6" class="postborder" style="{$post_extra_style} {$post_visibility} margin: 5px 0;" id="post_{$post['pid']}">
    <tr>
    <td class="postcat" align="center" style="padding: 8px 8px 8px 8px;">
     <div class="largetext centered" style="padding-bottom: 0px;">{$post['onlinestatus']} {$post['profilelink']}</div>
    </td>
<td class="postcat" valign="middle" style="padding: 8px 6px 4px 6px;">
<span class="smalltext">{$post['postdate']}, {$post['posttime']}</span> 

<div style="float: right; width: auto; vertical-align: top;"><span class="smalltext">{$post['posturl']}</span></div>
</tr>
     <tr>
        <td class="trow1" width="17%" valign="top" style="white-space: nowrap; text-align: center; border-right: 1px solid #;">
        {$post['usertitle']}<br />
        <span class="smalltext">
            <br />
            {$post['userstars']}
            {$post['useravatar']}<br />
            {$post['groupimage']} {$post['additional_images']}
            
           
          <div class="author_statistics" style="margin: 0 auto; width: 120px;">
            {$post['user_details']}
          </div>
            <br />
        
            </span></div></div>
   </td>
    <td class="{$altbg}" valign="top">
        <table width="70%">
            <tr><td>{$post['posturl']}
            <br />
            <div id="pid_{$post['pid']}" class="post_body">
                {$post['message']}
            </div>
            {$post['attachments']}
            {$post['signature']}
            <div style="text-align: right; vertical-align: bottom;" id="post_meta_{$post['pid']}">
                <div id="edited_by_{$post['pid']}">{$post['editedmsg']}</div>
                {$post['iplogged']}
            </div>
        </td></tr>
    </table>
</td>
</tr>
<tr>
    <td class="{$altbg}" style="white-space: nowrap; text-align: center; vertical-align: middle;"><span class="smalltext">{$post['postdate']} {$post['posttime']}</span></td>
    <td class="{$altbg}" style="vertical-align: middle;">
        <table width="100%" border="0" cellpadding="0" cellspacing="0">
            <tr valign="bottom">
                <td align="left" ><span class="smalltext">{$post['button_email']}{$post['button_pm']}{$post['button_www']}{$post['button_find']}{$post['button_rep']}</span></td>
                <td align="right">{$post['button_edit']}{$post['button_quickdelete']}{$post['button_quote']}{$post['button_multiquote']}{$post['button_report']}{$post['button_warn']}{$post['button_reply_pm']}{$post['button_replyall_pm']}{$post['button_forward_pm']}{$post['button_delete_pm']}</td>
            </tr>
        </table>
    </td>
</tr>
</table> 


<table width="70%">
na 100%