Cascading Style Sheets working group

This page is about the CSS Working Group.

For general information about CSS, see the CSS Home Page.

For the group's meeting schedule, see the Meeting Planning page.


The CSS working group discusses all technical matters on a public mailing list, See “If you want to help” for more about that list.

The current draft CSS specifications are listed and explained on the “current work” page. In 2014, the group started using GitHub to keep lists of issues. See also the working group's charter (version 2019–2022).

The group also maintains a blog…

… and if you want to know what it is like to be a member, read Fantasai's “about:csswg.”


The following is the complete list of members & W3C member organizations that participate in the CSS working group. (See “How to become a W3C member” and the Participation FAQ for information on joining W3C as a member.)

Name Affiliation
Said Abou-Hallawa Apple, Inc.
Rakina Amni Google, Inc.
Adam Argyle Google, Inc.
Rossen Atanassov Microsoft Corporation
Tab Atkins Jr. Google, Inc.
Takao Baba BPS Co., Ltd.
Mihail-Alexandru Balan Adobe
Ashwin Balasubramaniyan Magic Leap, Inc.
David Baron W3C Invited Experts
Rafal Bartoszek Viacom inc.
Daniel Bates Apple, Inc.
Amelia Bellamy-Royds W3C Invited Experts
Garrett Berg Airbnb Inc
Christian Biesinger Google, Inc.
Brian Birtles W3C Invited Experts
Bert Bos W3C
Mike Bremford BFO
Oriol Brufau Igalia
Federico Bucchi Apple, Inc.
Rob Buis Igalia
Rick Byers Google, Inc.
Bo Campbell IBM Corporation
Tantek Çelik Mozilla Foundation
cathie chen Igalia
Hui Jing Chen Shopify
Daniel Clark Microsoft Corporation
Emilio Cobos Álvarez Mozilla Foundation
James Craig Apple, Inc.
Bo Cupp Microsoft Corporation
John Daggett W3C Invited Experts
Beth Dakin Apple, Inc.
Fergal Daly Google, Inc.
Alex Danilo Google, Inc.
Luke Dary IBM Corporation
Greg Davis Pearson plc
Benjamin De Cock Stripe
smallni ding Tencent
Shwetank Dixit eyeo GmbH
Tim Dresser Google, Inc.
Kevin Ellis Google, Inc.
Felipe Erias Igalia
Elika Etemad W3C Invited Experts
Yanling Feng Shenzhen Institute of Information Technology
Javier Fernandez Igalia
Reinaldo Ferraz - Brazilian Network Information Center
Brandon Ferrua Salesforce
Robert Flack Google, Inc.
Simon Fraser Apple, Inc.
Brent Fulgham Apple, Inc.
Megan Gardner Apple, Inc.
Anthony Gemmellaro Pearson plc
Olga Gerchikov Microsoft Corporation
Daniel Glazman Disruptive Innovations
Aryeh Gregor Mozilla Foundation
David Grogan Google, Inc.
Soonbo Han LG Electronics
Shouichi Harayama BPS Co., Ltd.
Chris Harrelson Google, Inc.
Daniel Holbert Mozilla Foundation
Jihye Hong LG Electronics
Syed Idris Shah Magic Leap, Inc.
Dongwoo Joshua Im Samsung Electronics Co., Ltd.
Richard Ishida W3C
Koji Ishii Google, Inc.
Kunio Ito Rakuten, Inc.
Dael Jackson W3C Invited Experts
Dean Jackson Apple, Inc.
Adam Jolicoeur IBM Corporation
Sanket Joshi Microsoft Corporation
troy kang Tencent
Brian Kardell OpenJS Foundation
Brian Kardell Igalia
Brad Kemper W3C Invited Experts
Jonathan Kew Mozilla Foundation
Ian Kilpatrick Google, Inc.
Tomoya Kimura Voyager Japan, Inc.
Jirka Kosek W3C Invited Experts
Greta Krafsig The Washington Post
Una Kravets Google, Inc.
Philippe Le Hégaret W3C
Wonsuk Lee Electronics and Telecommunications Research Institute (ETRI)
Pierre-Anthony Lemieux MovieLabs
Vladimir Levantovsky W3C Invited Experts
Vladimir Levin Google, Inc.
lin li China Mobile Communications Corporation
Twinsen Liang Tencent
Daniel Libby Microsoft Corporation
Rune Lillesveen Google, Inc.
Chris Lilley W3C
Ting-Yu Lin Mozilla Foundation
Peter Linss W3C Invited Experts
Guanyu Liu 360
Luke Macpherson Google, Inc.
Alison Maher Microsoft Corporation
Stanton Marcum Amazon
Daniel Marques WIRIS Science
Myles Maxfield Apple, Inc.
Cameron McCormack Mozilla Foundation
Stephen McGruer Google, Inc.
Nigel Megitt British Broadcasting Corporation
Alex Mogilevsky Google, Inc.
Eric Muller Amazon
Masayuki Nakano Mozilla Foundation
Giorgio Natili Amazon
Jonathan Neal W3C Invited Experts
Chris Needham British Broadcasting Corporation
Ryosuke Niwa Apple, Inc.
Theresa O'Connor Apple, Inc.
David O'Dey Pearson plc
Brian Osman Google, Inc.
Simon Pieters Bocoup
Benjamin Poulain Apple, Inc.
Ian Pouncey TetraLogical Services Ltd
Anton Prowse W3C Invited Experts
Antoine Quint Apple, Inc.
Naina Raisinghani Google, Inc.
Kai Recke eyeo GmbH
Manuel Rego Casasnovas Igalia
François Remy W3C Invited Experts
Morgan Reschenberg Mozilla Foundation
Melanie Richards Microsoft Corporation
Florian Rivoal W3C Invited Experts
Cassondra Roberts IBM Corporation
Philip Rogers Google, Inc.
Devin Rousso Apple, Inc.
Kenneth Russell Google, Inc.
Anders Hartvoll Ruud Google, Inc.
Hiroshi Sakakibara BPS Co., Ltd.
Dirk Schulze Adobe
Jen Simmons Apple, Inc.
David Singer Apple, Inc.
Sam Sneddon Apple, Inc.
Hyojin Song LG Electronics
Markus Stange Mozilla Foundation
Alan Stearns Adobe
Shane Stephens Google, Inc.
Surma Surma Google, Inc.
Miriam Suzanne W3C Invited Experts
Gérard Talbot W3C Invited Experts
Simon Thompson British Broadcasting Corporation
Aleks Totic Google, Inc.
Kendall Totten IBM Corporation
Majid Valipour Google, Inc.
Lea Verou W3C Invited Experts
Sergio Villar Senin Igalia
Sean Voisen Mozilla Foundation
Ian Vollick Google, Inc.
Philip Walton Google, Inc.
Yinfeng Wang Shenzhen Institute of Information Technology
Masaki Watanabe BPS Co., Ltd.
Léonie Watson TetraLogical Services Ltd
Greg Whitworth Salesforce
Eric Willigers Google, Inc.
Chris Wilson Google, Inc.
Matt Woodrow Mozilla Foundation
yaohua wu China Mobile Communications Corporation
Zheng Xu Rakuten, Inc.
Fuqiao Xue W3C
Kazutaka Yamamoto Nippon Telegraph & Telephone Corp. (NTT)
Sebastian Zartner W3C Invited Experts
文力 何 360
佳 安 360
陌 染 Alibaba Group
Bert Bos, style activity lead
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