Revert "modificato stile icone social"
Revert "modificato stile icone social"

This reverts commit 9beca19d07913aaf124ae39db4d7cbde47b58c05.

gdgpisa/gdgpisa.github.io,gdgpisa/gdgpisa.github.io,gdgpisa/gdgpisa.github.io,gdgpisa/gdgpisa.github.io