Social buttons style

Hello team.

I'm using easyblog on bboyworlditaly.com.
Please use the following link:
http://bboyworlditaly.com/j3/index.php/blog/entry/hip-hop-connection-2014-torna-a-pesaro

As you can see the template css is impacting the style of the social buttons.

How can I change their background?
Any help?

Thanks in advance
best regards
Fran