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CSS3 Module Status

The powers that be have decided to split CSS3 into multiple ‘modules’, as the monolithic CSS2 would have become far too unwieldy when expanded to the degree that CSS3 has been. Splitting CSS into modules also allows the W3C to bring those modules up to Recommendation level at different rates.

Following is a table of all the CSS3 modules and their current status. css3.info will be maintaining this table as modules progress through their development stages. The further advanced modules are listed first. No CSS3 module has yet reached Recommendation status.

Note: This page was last updated 7 December 2009.

Illustration of the progress through the development stages made by each of CSS3’s modules.
Module Updated Browser Compatibility Next Update
Candidate Recommendation (?)
Marquee (High Priority) 05 Dec 08 PR – ?
Namespaces (Medium Priority) 23 May 08 Compatibility Table PR – Sept 09
Ruby (Medium Priority) 14 May 03 WD – ?
Media Queries (Medium Priority) 15 Sep 09 PR – ?
Basic User Interface (Medium Priority) 11 May 04 PR – ?
Last Call (?)
Selectors (High Priority) 12 Mar 09 Compatibility Table PR – ?
Multi-column Layout (Medium Priority) 30 Jun 09 CR – 09
Color (Medium Priority) 21 July 08 Compatibility Table PR – ?
Working Draft (?)
Paged Media (Medium Priority) 10 Oct 06 CR – ?
Values & Units (Medium Priority) 19 Sep 06 LC – ?
Cascading & Inheritance (Medium Priority) 15 Dec 05 WD – ?
Text (Medium Priority) 06 Mar 07 WD – ?
Generated Content for Paged Media (Medium Priority) 04 May 07 WD – ?
Backgrounds & Borders (Medium Priority) 15 Oct 09 CR – ?
Fonts (Medium Priority) 18 Jun 09 LC – Oct 09
Basic Box Model (Medium Priority) 09 Aug 07 WD – ?
Template Layout (Medium Priority) 09 Aug 07 WD – ?
Speech (Medium Priority) 16 Dec 04 WD – ?
Grid Positioning (Medium Priority) 05 Sep 07 WD – ?
Flexible Box Layout (Medium Priority) 23 Jul 09 WD – ?
Images Values (Medium Priority) 23 Jul 09 WD – ?
2D Transformations (Medium Priority) 01 Dec 09 WD / LC – ?
3D Transformations (Medium Priority) 20 Mar 09 WD – ?
Transitions (Medium Priority) 01 Dec 09 LC – ?
Animations (Medium Priority) 20 Mar 09 WD – ?
CSSOM View (Low Priority) 04 Aug 09 WD – ?
Syntax (Low Priority) 13 Aug 03 WD – ?
Lists (Low Priority) 07 Nov 02 WD – ?
Generated & Replaced Content (Low Priority) 14 May 03 WD – ?
Line Layout (Low Priority) 15 May 02 WD – ?
Hyperlink Presentation (Low Priority) 24 Feb 04 WD – ?
Presentation Levels (Low Priority) 13 Aug 03 WD – ?
Announced (?)
Text Layout (Medium Priority) n/a n/a WD – ?
Line Grid (Medium Priority) n/a n/a WD – 09
Scoping (Medium Priority) n/a n/a WD – ?
Extended Box (Medium Priority) n/a n/a WD – ?
CSS Object Model (Low Priority) n/a n/a WD – ?
Tables (Low Priority) n/a n/a WD – ?
Positioning (Low Priority) n/a n/a WD – ?
Math (Low Priority) n/a n/a WD – ?
Aural Style Sheets (Low Priority) n/a n/a WD – ?

There are also several ‘Profiles’ designed to suit different media:

Illustration of the progress through development made by the various CSS3 media profiles.
Module Status Updated
Print Profile Last Call 13 Oct 06
TV Profile Candidate Recommendation 14 May 03
Mobile Profile Candidate Recommendation 13 Dec 08
Reader Profile Dropped

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