The following image is a basic map of the Division (div) Structure of the basic layout of a Levelfield / OLA Page.  Each Page is comprised of 5 major Blocks:

• Header
• Footer
• Navigation
• Content
• Extra

 There are 2 Master Divisions that all of the blacks are in

• body container
• container

Then the Content, Navigation, and Extra divisions are nested within 2 Major Divisions:

• Wrapper
• Content Wrapper

Each of the 5 major blocks (Header, Footer, Navigation, Content and Extra) are also nest in their own div with the class "lf_pad"