A List Apart posted a fantastic article today about floats – super basic stuff for anyone trying to wrap their head around the concept. They can be quite difficult to understand, but it’s one of those things where once you get it, you’ve nailed it down for good.
A List Apart – http://www.alistapart.com/articles/css-floats-101/
Chris also did a great article on floats – https://css-tricks.com/all-about-floats/
Sometimes it’s difficult to help users with floats when they don’t understand some of the basics outlined in these two articles – check them out!