[code:1]
/components/com_comprofiler/plugin/user/plug_cbsimpleboardtab/cb.simpleboardtab.php
[/code:1]
It uses joomla templates classes. Make new classes in your template CSS file then add those classes into the file above. You'll have to do trial and error to see what it changes, but there's really only 2 styles being used.
sectiontableentry2
and
sectiontableheader