Find in forumhome/forumdispaly/forumhome_forumbit_level1_nopost .. depending on style:
HTML Code:
<tr align="center">
<td class="thead"> </td>
<td class="thead" width="100%" align="$stylevar[left]">$vbphrase[forum]</td>
<td class="thead">$vbphrase[last_post]</td>
<td class="thead">$vbphrase[threads]</td>
<td class="thead">$vbphrase[posts]</td>
<if condition="$vboptions['showmoderatorcolumn']">
<td class="thead">$vbphrase[moderator]</td>
</if>
</tr>
Replace it with:
HTML Code:
<tr align="center">
<td class="thead"> </td>
<td class="thead" width="60%" align="$stylevar[left]">$vbphrase[forum]</td>
<td class="thead" width="20%">$vbphrase[last_post]</td>
<td class="thead" width="10%">$vbphrase[threads]</td>
<td class="thead" width="10%">$vbphrase[posts]</td>
<if condition="$vboptions['showmoderatorcolumn']">
<td class="thead">$vbphrase[moderator]</td>
</if>
</tr>
Adjust the width according to your need, make sure the width add upto 100%
.