How can I move the content over?

Hi, I was wondering what code I need to give padding to the content on the left below the main heading?

Right now it looks like there is a lot more space to the right of this content. Basically, I want it to look centered. This appears in posts, pages, etc.

I'm not coming up with the right code combination.

Here's an example of a page:
http://tinyurl.com/mxbynq5

Thanks