MyBB Community Forums

in forumbit_depth2_forum i have

<li>
<table border="0" cellspacing="{$theme['borderwidth']}" cellpadding="{$theme['tablespace']}">
<tr>
<td align="center" valign="middle" width="5px" rowspan="2"><span class="{$lightbulb['folder']}" alt="{$lightbulb['altonoff']}" title="{$lightbulb['altonoff']}" id="mark_read_{$forum['fid']}" /></span></td>
<td><strong><a href="{$forum_url}">{$forum['name']}</a></strong>{$forum_viewers_text}<br />
<div class="smalltext"><i class="fa fa-file-text-o" original-title=""></i> Threads: {$threads}{$unapproved['unapproved_threads']} &nbsp; <i class="fa fa-files-o" original-title=""></i> Posts: {$posts}{$unapproved['unapproved_posts']}</div>
<div style="margin-left: -10px;" valign="middle">{$subforums}  </div></td>
<td width="36%">{$lastpost}</td>
</tr>
</table>
</li>

Forums are divided by 2

How do you group by one Forums ?

How do you mean Forums are divided by 2? You have 3x <td> there, which means you have 3 columns in the table, if you want something different increase or decrease the number of <td>s