Font and text styles have been deprecated (phased out) in HTML in favor of CSS, and this is where CSS really shines. CSS supports more options for changing font attributes than the deprecated tags it is replacing. If you are still using these tags instead of CSS you’re making a huge mistake.
You can change the color, face, and size of the fonts on your Web page with CSS. Read more
This article is courtesy Jennifer Kyrnin and About.com. Here’s another helpful link.
You can learn more from Jennifer Kyrnin in her new book, About.com Guide to Web Design
