You can bring a new level of excitement to your websites and web applications using the advanced CSS features available in Safari and WebKit. WebKit is the layout engine that powers Safari on Mac OS X, Windows, and the iPhone OS.

Since web browsers simply ignore any CSS properties that they don’t support, most of these recipes will degrade gracefully other browsers. Webpages using properties that are only supported in Safari will have an exceptional look and feel in Safari, and will be functional in other browsers.

More at Apple Developer Connection