<!-- KATEGORILER -->
<div class="block_t1 bvnav"><div class="dbtm">
 <div class="dtop">
  <h3>KATEGORİLER</h3>
 </div>
<div class="dcont">
 <ul>
  <?php echo preg_replace('@\<li([^>]*)>\<a([^>]*)>(.*?)\<\/a>@i', '<li$1><a$2><b>$3</b></a>', wp_list_categories('echo=0&orderby=name&title_li=&depth=1')); ?>
 </ul>
</div>
</div></div>
<!-- KATEGORILER -->