CSS3 Introduction

The biggest difference between CSS2 and CSS3 is that CSS3 has been split up into different sections, called modules. The support for CSS3 depends on your browser and since CSS3 standard is still being drafted most browser also have support for a prefix on CSS3 properties. -moz- Mozila -webkit- Chrome/ Safari -o- Opera -ms- IE

Other examples in Basic (CSS3 Effects)
Result from the Online TryIt-Editor
chrome 2.0safari 1.1Firefox 3.5ie 10.0opera 9.5