Centering images in a page

http://batifole.ca/blog/
ata 3.6.4
wp.3.0.4

I have added 2 buttons to a page and would like to center them in the middle of the page (between the left sidebar and the larger photo on the right). Essentially move them over about 2 inches to the right.

I am new to this and can't figure it out.

Any help is appreciated.

Oh and if you could tell me how to change the color of the language box (top of right sidebar) to match the sidebar that would be amazing.

Thanks!