How to create sidebar border and local background change?

I am trying to create some sidebar work for my website. How do I modify my CSS sidebar code so that the local background behind the widgit appears one color (separate from the entire sidebar) and include a border and such?

 

http://img227.imageshack.us/i/exampleb.png

Is a picture of the image I mean

 

Sorry, those links aren't working. Here it is:



at

http://img227.imageshack.us/img227/3708/exampleb.png

 

ok I am still here working