Sidebar at bottom

I’ve already searched all over for similar issues/solutions, and they don’t apply to my problem. Please, if you can figure it out, I would appreciate the help, instead of directing me to another string because chances are I’ve already been to those other strings.

My sidebar is at the bottom, and I’m almost sure that I don’t have images that are too wide. Maybe it’s a “tags not closed” problem but I don’t know where it is. From my limited knowledge, all my div tags are all closed.

I’m out of ideas. Any other possible errors?

Please take a look and if you could pinpoint what I CAN fix, that would be so great. Thanks in advance!

http://www.niquehappy.com/blog/

This problem happened this morning.

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I noticed that the footer was somehow switched to the sidebar and that might’ve caused the problem? I don’t know how to put it back.