in the Quick CSS, that in italian is CSS rapido, but it still doesn’t work,

Thanks a lot, and sorry…i don’t have so much experience.
Just another question: I am creating a multiauthor blog.Everything is ok, but i don’t like the fact that you can click the name at the end of the article and go to a biography page. Our biography is in a widget and it is a common one.
Is it possible to disable the link to on the names at the end of the articles?

the website is
http://www.quandosiscioglielaneve.it