CSS Working Group

CSS Working Group
Cascading Style Sheets Working Group
AbbreviationCSS WG, CSSWG
Formation1997
FounderWorld Wide Web Consortium
TypeNonprofit working group
ProductsCSS
Members
OwnerWorld Wide Web Consortium
Websitewww.w3.org/Style/CSS/
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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.

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