CSS 3 is like this

Currently it can not be done with Firefox and other Gecko engines and Opera, then browsers other than Safari / WebKit base, but this is what you can do with the next 'CSS 3' example. It is quite interesting to add shadows to text or to round corners.CSS 3 Preview - Joost de Valk
http://www.joostdevalk.nl/code/css3-preview/

The following sites are well organized in the support status of the browser.

Web Browser CSS Support
http://www.webdevout.net/browser_support_css.php#css3standards

According to W3C page CSS3 seems to be like this.

Introduction to CSS 3
http://www.w3.org/TR/css3-roadmap/

Japanese translation version

CSS three color module
http://zng.info/specs/css3-color.html

XML / XHTML related standard - not following
http://www.kanzaki.com/book/html/spec-nofollow.html

Another example of CSS 3 multi column.

CSS 3 Multi-Colum Layout Demonstration and Documentation - CSScripting.com
http://www.csscripting.com/css-multi-column/

In short it is like this
http://www.w3.org/TR/2001/WD-css3-multicol-20010118/

This is the current development status of CSS 3.

CSS: under construction
http://www.w3.org/Style/CSS/current-work