Some text to fill it up; this is the left box within the middle column float:left; width:200px.

Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aliquam ultricies, metus sed rutrum dignissim, leo dui sollicitudin sapien, sit amet sagittis est metus ut erat. Maecenas sollicitudin. Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aliquam libero velit, vestibulum vitae, congue ac, rhoncus eu, enim.

Some contents; this is the right box within the middle column float:right; width:195px