I know how to do it by writing a separate ul/li css for wp_list_categories, but I find menus of "twenty eleven" already well designed and flexible, so I`d like to use them. Custom menus, when I have to add subcategories manually, are not a solution, sinse I will allow my users to create new categories. What would you do?
As a purely theory example, this is how I would approach the problem:
I don't expect that to work fully as I coded it there based of this codex entry but I am fairly certain that my theory is correct. I may have the