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# W3C CSS Activities * * * CSS (Cascading Style Sheets) can describe how a document is displayed. * * * ## CSS Tutorials To learn more about CSS, please read our (#). * * * ### CSS1 As a W3C Recommendation, CSS1 was published on December 17, 1996. On January 11, 1999, this Recommendation was revised. ### CSS2 As a W3C Recommendation, CSS2 was published on January 11, 1999. CSS2 added support for media (printers and audio devices) and downloadable fonts. ### CSS3 CSS3 plans to divide CSS into smaller modules. * * * ## CSS4 Starting from CSS3, modules will be defined separately; for example, css4 selectors can be defined in the CSS3 module. * * * ## CSS Properties W3C defines the following CSS properties: * Print properties * Mobile device properties * TV properties * * * ## W3C CSS Specifications and Timeline | Specification | Draft/Proposal | Recommendation Date | | :--- | :--- | :--- | | CSS 1 | | [Dec 17, 1996](http://www.w3.org/TR/REC-CSS1-961217) | | CSS 1 (Revised) | | [Apr 11, 2008](http://www.w3.org/TR/REC-CSS1) | | CSS 2 | | [May 12, 1998](http://www.w3.org/TR/2008/REC-CSS2-20080411/) | | CSS 2.1 | | [Jun 7, 2011](http://www.w3.org/TR/CSS2/) | | DOM Level 2 Style Specification | | [Nov 13, 2000](http://www.w3.org/TR/DOM-Level-2-Style/) | | CSS Style Attributes | [Oct 12, 2010](http://www.w3.org/TR/css-style-attr/) | | | CSS 3 Namespaces Module | | [Sep 29, 2011](http://www.w3.org/TR/css3-namespace/) | | CSS 3 Selectors | | [Sep 29, 2011](http://www.w3.org/TR/css3-selectors/) | | CSS 3 User Interface Module | [Jan 17, 2012](http://www.w3.org/TR/css3-ui/) | | | CSS 3 Fonts Module | [Feb 12, 2013](http://www.w3.org/TR/css3-fonts/) | | | CSS 3 Color Module | | [Jun 7, 2011](http://www.w3.org/TR/css3-color/) | | CSS 3 Backgrounds and Borders Module | [Jul 24, 2012](http://www.w3.org/TR/css3-background/) | | | CSS 3 Text Module | [Nov 13, 2012](http://www.w3.org/TR/css3-text/) | | | CSS 3 Lists and Counters Module | [May 24, 2011](http://www.w3.org/TR/css3-lists/) | | | CSS 3 Line Module | [May 15, 2002](http://www.w3.org/TR/css3-linebox/) | | | CSS 3 Basic Box Model | [Aug 9, 2007](http://www.w3.org/TR/css3-box/) | | | CSS 3 Multi-column Layout Module | [Apr 12, 2011](http://www.w3.org/TR/css3-multicol/) | | | CSS 3 Ruby Module | [Jun 30, 2011](http://www.w3.org/TR/css3-ruby/) | | | CSS 3 Speech Module | [Mar 20, 2012](http://www.w3.org/TR/css3-speech/) | | | CSS 3 Paged Media Module | [Oct 10, 2006](http://www.w3.org/TR/css3-page/) | | | CSS 3 Generated content for Paged Media Module | [Nov 29, 2011](http://www.w3.org/TR/css3-gcpm/) | | | CSS 3 Values and Units Module | [Aug 28, 2012](http://www.w3.org/TR/css3-values/) | | | CSS 3 Cascading