Information
Header or Banner
This page has a sidebar to the left with both a header/banner and a footer. The sidebar can be moved to the right by cutting and pasting code (see 1 + 1 right, no banner).
CSS
The CSS is in the folder marked css so that it may be used for multiple pages.
Backgrounds
By nature, the background color on any div will only show for the length of the content. This means if you're using a background color or border to create the look of a side column, it won't extend all the way to the footer but will stop when the content ends. If the .content div will always contain more content, you can place a border on the .content div to divide it from the column.