CSS Working Group

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CSS Working Group
Cascading Style Sheets Working Group
AbbreviationCSS WG, CSSWG
Formation1997
Founder World Wide Web Consortium
Type Nonprofit working group
PurposeDeveloping the CSS language
Products CSS
Membership
Owner World Wide Web Consortium
Website www.w3.org/Style/CSS/

The CSS Working Group (Cascading Style Sheets Working Group) is a working group created by the World Wide Web Consortium (W3C) in 1997, to tackle issues that had not been addressed with CSS level 1. As of July 2025, the CSSWG had 176 members. [1]

Contents

The working group is co-chaired by Rossen Atanassov and Alan Stearns.

History

In early 1996 Håkon Wium Lie cooperated with Bert Bos, who was already developing a new browser language called SPP, to produce the first version of the CSS standard (CSS1). They presented their achievements twice, in 1994 and in 1996 at the "Mosaic and the Web" conferences in Chicago. The W3C was being established at that time and Lie's and Bos's work caught their attention.[ citation needed ]

Benefits for members

CSS working group members belong to the broader organization W3C. This membership offers to them four important benefits; interaction, strategy, participation and leadership. The first characteristic provided, can be explained more as an opportunity to meet and work with “leading companies, organizations, and individuals” specialized in web technologies. “W3C Activity proposals” are strategically examined and operated by the members, giving them the ability to work methodically. Participating in the CSS working group allows members to change/shape technologies influencing businesses as well as consumers. Finally, CSS members are adopting a significant role into the W3C project of developing the Web standards, which requires leadership skills and dedication. [4]

Members

Members of the CSS Working Group include representatives from the following organizations:

W3C has also invited a few experts to collaborate with the working group:

There are a few W3C staff members also participating in the group:

Editors

Active editors of CSS Specifications include the following:

References

  1. "Cascading Style Sheets (CSS) Working Group - Participants". W3C. Retrieved 18 July 2025.
  2. 1 2 3 4 "Cascading Style Sheets, designing for the Web – Chapter 20 : The CSS saga". w3.org. Retrieved 3 December 2017.
  3. "CSS1 Test Suite: Acknowledgments". w3.org. Retrieved 3 December 2017.
  4. "Membership Benefits - W3C". w3.org. Retrieved 3 December 2017.