Here are almost all CSS2 and 3 selectors, and the CSS3 UI selectors (mostly structural pseudo-classes). This is the desktop table. See also the mobile table. Last major update on 2 October 2013. I'm writing a CSS book. Basics Method or property Internet Explorer Firefox Safari Opera Chrome 5.5 6 7 8 9 10 11 24 Win 24 Mac 24 Linux 6 12 Win 12 Mac 12 Linux 16 Win 16 Mac 30 Win 30 Mac 29 Linux