You can set the default font-families used throughout your site. A font-family is a type face represented in various styles (normal, bold, italic, etc.). There are two types of font-families:
Specific The exact name of a licensed font which you expect your visitors to have installed on the computer they are using to browse your site. Windows and Macintosh computers typically include a core set of specific font-families (e.g., Arial, Verdana, Helvetica, etc.).
Generic The letter-form class (serif, sans-serif, monotype, etc.). You assign a generic font-family to accommodate those visitors who may not have a specific font-family installed on their computers.
Note: When you choose to set default fonts, you select from various combinations of specific font-families. The font order is the order the web browser will use to look up a matching font-family. If none are found, a generic font-family is used.
In addition to setting default font-families, you can also set the default font size used for body text.