How to change the Jomsocial Template Module Position and style?

Website: http://www.deluxe-party.com/index.php/deluxegroup

I just install the Musicity and Jomsocial

And I like the GK_style very much.

But I wonder how can I change the position of the module ?? e.g how to change the position/style of "Members" and "Video" ?? Thx!!