The content contains the unique information for a selected module. This is the most important part of a website since that's why people come to your site! It's imperative to keep the text readable by having a good contrast between text color and background color, and if you have a background image to keep it from contrasting much from the text as well.
Wizard Manual
As pictured, the content is naturally only as high as the information it contains. Sometimes it is necessary to set a minimum height for this section so, for example, it's entire background image will show even on pages with not much to say. To do so, some Custom CSS is needed as follows with the pixel height matching the background image on the content. 500px was chosen at random:
...and in the IE6 only portion to accomodate it's lack of minimum height support:




