What is CSS?
Cascading Style Sheets (CSS) is a simple mechanism for adding
style (e.g., fonts, colors, spacing) to Web documents.
These pages contain information on how to learn
and use CSS and on available software.
They also contain news from the CSS working
- 18 May 2015 WWW 2015, the 24th
International World Wide Web Conference, will be held in Florence,
Italy, May 18–22, 2015.
- 14 Nov 2014 DotCSS is a new English-language
conference about CSS for developpers. The first edition is in
Paris, France, on November 14. With, among others, Daniel Glazman
and Bert Bos.
- 29 Oct 2014 The W3C 20th Anniversary Symposium on The
Future of the Web will be held 29 October in Santa Clara CA,
USA and is open for registration.
- 22 Oct 2014 Opera published
with Håkon Wium Lie to mark the 20th anniversary (10 Oct) of
the first public message
mentioning “Cascading [HTML] Style Sheets.” (For more
history, see: chapter 2 of
Cascading Style Sheets, designing for the Web; a list of alternative style sheet
proposals; and Håkon's PhD
- 14 Oct 2014 The CSS WG changed
seven drafts into Notes, to indicate that no further work on them
is expected: CSS TV
Profile 1.0, CSS Presentation Levels
Module, CSS Mobile Profile 2.0, CSS Marquee Module Level 3,
Behavioral Extensions to CSS,
Presentation Module and The CSS ‘Reader’ Media
For more news, see our syndicator “The Future of Style.”
Suggest a link
Working group news
The working group regularly publishes reports
on its blog; here are the most recent:
Sophia-Antipolis F2F Part VI 2014-09-10: CSS3 Text, Survey of All
Sophia-Antipolis F2F Part V 2014-09-10: CSS UI, Next F2F Dates,
New W3C Process, Flexbox
Sophia-Antipolis F2F Part IV 2014-09-09: Initial Letters,
Sophia-Antipolis F2F Part III 2014-09-09: Motion Path as FXTF,
Future F2F Meetings, GCPM3/GCPM4
Sophia-Antipolis F2F Part II 2014-09-08: z-index and SVG,
Prioritizing image(color), randomize(), Animation and calc() of
Keywords, Motion Path, Issues in Media Queries 4
Sophia-Antipolis F2F Part I 2014-09-08: CSS3 Text, Display Module,
Backgrounds, Line Grid, CSS UI, Geometry Working Draft
Regions draft updated
A part of the CSS WG in November 2010. (Photo: Bert Bos /
Nearly all browsers nowadays
support CSS and many other
applications do, too. To write CSS, you don't need more than a
text editor, but there are many tools available that make it even
Of course, all software has bugs, even after several updates. And
some programs are further ahead implementing the latest CSS modules than others. Various sites
describe bugs and work-arounds.