Floating a box so that a section of text will wrap around it is a fairly common technique in Web design. We use it to place images on a page as well as to create sidebars, like this one, which work well for testimonials and similar pieces of information.

Floating a box so that a section of text will wrap around it is a fairly common technique in Web design. We use it to place images on a page as well as to create sidebars, like this one, which work well for testimonials and similar pieces of information.

This div is floated left with a left margin of 75px. It should almost butt up against the 75 pixel wide background image (1em of padding will separate them), but as you can see, the actual margin rendered is twice what is set in the CSS