Theme not the same!

help I am new to all this website stuff i just bought some web space and that?
and just bought this theme http://www.elegantthemes.com/demo/?theme=TheStyle

i uploaded the theme and mine looks nothing like that haha like no spaces between photo post and all there menus can any one help… photo of the test post

http://img170.imagevenue.com/img.php?image=587701644_test_122_371lo.JPG