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I guess I don't know if this helps at all, but there are like 5 lines below where your text ends. I guess if you delete those it'll already make it shorter. Also, I've read tutorials on web design, and all of them say to put the CSS in a document separate from the HTML and then it makes it cleaner, easier to code, and easier to find mistakes.

I hope I helped a bit,
Caleb.
 
Yea, the empty tags are a bit of the problem. Also, for .maincolume, the top:-220px is also going to create some extra space at the bottom. If you place a float:left on some of the elements that come before this column, it'll keep you from needing to use a negative value. You'll have to do some other tweaks though to get the rest of the content to align properly, but that will put you in the right direction.
 
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