If you’ve learned CSS from the ground up, you should have a good understanding of the box model. But if you’re unfamiliar ...

Max-height and max-width work better if you set them to control how big something can grow, while using height and width to determine how they should normally appear when less than that size.

Created by Russ Weakley of Max Design, this presentation on the CSS line-height property is a great crash course on refining your Web type.