Cascading Style Sheets home page

What is CSS?

Cascading Style Sheets (CSS) is a core language of the open web platform, and is used for adding style (e.g., fonts, colors, spacing) to Web documents.

These pages contain news from the CSS working group.

High­lights

News (Also available as Atom news feed.)

For more news, see our syndicator “The Future of Style.”

Suggest a link ✉︎

Stan­dards & drafts (Also available as Atom news feed.)

Some of the specifications and drafts by the CSS Working Group:

Com­pleted work Sta­tus Up­com­ing Notes ℹ⃝
CSS Snapshot 2024 NOTE Latest stable CSS ℹ⃝
CSS Snapshot 2023 NOTE ℹ⃝
CSS Snapshot 2022 NOTE ℹ⃝
CSS Snapshot 2021 NOTE ℹ⃝
CSS Snapshot 2020 NOTE ℹ⃝
CSS Snapshot 2018 NOTE ℹ⃝
CSS Snapshot 2017 NOTE ℹ⃝
CSS Snapshot 2015 NOTE ℹ⃝
CSS Snapshot 2010 NOTE ℹ⃝
CSS Snapshot 2007 NOTE ℹ⃝
CSS Color Level 3 REC REC ℹ⃝
CSS Namespaces REC REC ℹ⃝
Selectors Level 3 REC REC ℹ⃝
CSS Level 2 Revision 1 REC REC See Errata ℹ⃝
Media Queries Level 3 REC REC ℹ⃝
CSS Style Attributes REC REC ℹ⃝
CSS Cascading and Inheritance Level 3 REC REC ℹ⃝
CSS Fonts Level 3 REC REC ℹ⃝
CSS Writing Modes Level 3 REC REC ℹ⃝
CSS Basic User Interface Level 3 REC REC ℹ⃝
CSS Box Model Level 3 REC REC ℹ⃝
CSS Containment Level 1 REC REC ℹ⃝
Sta­ble drafts Sta­tus Up­com­ing Notes ℹ⃝
CSS Backgrounds and Borders Level 3 CRD CR ℹ⃝
CSS Conditional Rules Level 3 CR CR ℹ⃝
CSS Multi-column Layout Level 1 CR PR ℹ⃝
CSS Values and Units Level 3 CR PR ℹ⃝
CSS Flexible Box Layout Level 1 CR PR ℹ⃝
CSS Counter Styles Level 3 CR PR ℹ⃝

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Working group news (Also available as Atom news feed.)

The working group regularly publishes reports on its blog; here are the most recent:

[Photo: group photo in San Francisco]

A part of the CSS WG in May 2016.

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Join­ing the dis­cus­sion

The most direct way to contribute is to get an account on GitHub and raise issues in the repository of CSS editors' drafts. There is also a repository for ‘Houdini’ APIs.

The <www-style@w3.org> mailing list contains the agenda and the minutes of meetings of the CSS working group. Everybody can subscribe (or unsubscribe, or see instructions.)

If you work for a W3C member organization, you can also join the working group.

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Bert Bos
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