The family type is commonly specified at the end of a list of fallback fonts, as shown. The 'family' concept lies in the fact that each font in the family has something in common with all of the others. There are several available font families, such as Sans-serif, Serif, and Monospace. td style='font-family: Helvetica, Helvetica Neue, Arial' Font families NOTE: Specifying fallback fonts is known as font stacking.īelow is an example of how to specify a preferred and fallback fonts. If none of the specified fonts are found, the default font is used. Fallback fontsįallback fonts are those that will be used - in the specified order - if your preferred font is not available on the user's device. Using fallback fonts and font families is a good way to ensure that your messages render how you intend, irrespective of the receiving device. One of the drawbacks to using a font that is not web-safe is that it is more likely to be substituted by browsers and email clients if that font is not present on the receiving operating system. However, some font families are considered 'web-safe fonts,' (e.g., Arial, Verdana, Helvetica, Georgia, Garamond,, and Courier New ) while others are not - and many web-safe fonts are pre-installed on a wide range of computer systems and devices. There are thousands of fonts available for public use.