> Is there a reason this exists for the -webkit prefix but not for the -moz or -ms prefixes? I assume because the feeling is that -moz prefixes no longer form

> Is there a reason this exists for the -webkit prefix but not for the -moz or -ms prefixes? I assume because the feeling is that -moz prefixes no longer form part of the "de facto web." Targeting for desktop Chrome isn't as common anymore, but this document seems squarely aimed at the mobile space, where Safari-specific (and to a lesser extent Chrome- and Android-specific) functionality is more or less epidemic.