menu bar in category strange visual problem...
 

look in my site, www.youkoufme.gr and select the menu bar, the first parent and the others.

what can you see?
in the first item of menu this
http://img692.imageshack.us/img692/4370/corel001.jpg
and this in the second and after this item
http://img88.imageshack.us/img88/3108/corel003.jpg

why is different?
how can i change the large border from the second menu item and how can i make all the menu items appears the same way?

wp3.0b2 and at version 3.4.9