The Potential of Web Typography: @font-face and Firefox 3.5 by Ian Lynam & Craig Mod Firefox 3.5 is out. And the more users download it, the more designers will be able to take advantage of the @font-face CSS rule. How can @font-face be used with currently implemented CSS selectors to create engaging, nuanced and more mature typography? Let's find out. @font-face — what it is exactly? B @font-face