![]() ![]() That’s because the CSS support is curiously schizophrenic. (Nomenclature note: I am using “system UI font” here to refer to the font that the user interface of the operating system is rendered in - distinct from a “system font,” a traditional name for any local or platform font that is already present on the user’s system and that doesn’t need to be included in the website’s payload.) Two Approaches to system fontsĬurrently, there are two approaches to making your website use the system UI font for its typography. It doesn’t return a correct font on iOS, nor in many Android browsers.Approach AĪpproach A is to use the “magical” shorthand CSS property: font: menu Ī few of these shorthand properties have existed for the longest time ( caption, icon, menu, message-box, small-caption, status-bar), yet I have never seen them being commonly used. It’s a shorthand, which means it overrides the font size (although that can be reset), and it cannot be combined with and does not fall back to anything else.Until December 2015 in Firefox on Mac OS X, it doesn’t use the “smart” properties of San Francisco (which switches from San Francisco Text to San Francisco Display automatically for text over 20 pixels and adjusts letter spacing).“Droid Sans”, “Helvetica Neue”, sans-serif ( View large version) Approach Bįont-family: -apple-system, BlinkMacSystemFont, Mac OS X system UI fonts over the ages: from Chicago in 1984, through Charcoal and Lucida Grande, to San Francisco on a high-resolution display in 2015. You’ll have to maintain the list (and its order).Perhaps system UI fonts won’t change as often as they did in the last few years - but in any case, this is not future-proof. The list targets the most popular browsers and operating systems, but it doesn’t target all of them.It doesn’t yet work in Firefox on Mac OS X El Capitan, resulting in Neue Helvetica being shown, rather than San Francisco. ![]() This solution is prone to naming conflicts, which led to a very interesting bug with the system font on Medium.(This is slated to be fixed in December 2015.) #Ui browser mac mac os x# ![]()
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