Css that i cant find ^^

Hi, first thank you for providing your theme for us!
I’m joking a bit to learn more about wordpress and i am having some difficulty changing some css of your theme.

good short, what is happening is that I can not find the codes css menus and submenus see my site
https://www.free.com.br see the menu and childmenus.

So thanks
and Sorry my english. =)