Yep the good old CSS box model, explained once more. The CSS box model is a fundamental element of modern web design that all web designers need to master. This CSS box model controls and details the behaviour of many HTML elements, such as DIV, P, ul, so understanding this is a firm step forwards to better web design.
3D CSS Box Model
Jon Hicks, who’s a leading figure in web standards and userbility, has created this brilliant 3D CSS Box Model diagram and kindly supplied the original Illustrator file for me to modify and put on the site for you to look at, so a big thanks goes out to him.