cart and checkout button overlap

Hello, i am new to wordpress! nevertheless iv created my buisness website in 2 days with no major hastles! wordpress is awsome! that said i am left with one bug, my site is in french, and i use wpml to translate everyting is fine, how ever on the main page and only the main page for some reason, the cart and checkout wich are commander for checkout and voir le panier for cart, overlap partially on top of each other, now i understand that woocmmerce works threw my themes .css so i need to edit something in there i gather ?? my theme is topshop, now i know this is not a big bug! i just dont know what represents those two buttons in the stylesheet! so if someone could point me in the right direction please it would be much appresiated! thank you ??