User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.16 (KHTML, like Gecko) Chrome/10.0.648.204 Safari/534.16 Build Identifier: 4.0 CSS content along the lines of: @font-face { font-family: 'VivaStd'; src: url('viva_assets/fonts.svg#VivaStd') format('svg'); } Doesn't work in Firefox; you don't get the correct font. This works fine in Chrome, Safari, and Safari iOS/Mobile. Reproducible: Always Steps to Reproduce: I'll attach content which exhibits this. Just open the html file and you should see the 'actual' and 'expected' text match. Actual Results: Fonts don't match in the two 'Viva' text blocks Expected Results: The fonts should match.