I am not well ENGLISH. So see 2 pictures 
Thanx you so much
Have you got some kind of link to check this out on? Otherwise it's real hard to make a judgement on how best to edit this.
work with your css with firebug. It shouldnt be so hard.
QIck Hint: This is a ul list in a div class=“subcategories”.
Use display: inline; and list-style-type: none; to make a basic horizontal list. just add that to the li of
.subcategories ul,9it is in the style.base.css.somewhere)