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Bert BosCopyright © 2020 W3C®
Last updated 2015-09-09 01:53:25
This is a page from the Cascading Style Sheets Working Group Blog. Some other places to find information are the “current work” page, the www-style mailing list, the Future of CSS syndicator, and the issue list on Github.
Do you want to know how the CSS WG works? Fantasai has written about:csswg, An Inside View of the CSS Working Group at W3C.
The CSS Working Group has published an updated Working Draft of CSS Cascading and Inheritance Level 4. This CSS module describes how to collate style rules and assign values to all properties on all elements by way of cascading (choosing a winning declaration among many) and inheritance (propagating values from parent to child).
Additions to Level 4 include:
revert keyword, which rolls back the cascade to the previous origin. E.g.
* { all: revert; } /* wipe out the entire set of author-level styles */
supports() syntax for conditional @import rules. E.g.
@import "fallback.css" supports(not (display: flex));
Since we have no open or anticipated issues, we plan to transition this module to Candidate Recommendation in about four weeks. We do encourage people to review the draft, particularly the changes since Level 3, and send us comments. Changes since the last Working Draft are listed in the Changes section.
As always, please send feedback to the (archived) public mailing list www-style@w3.org with the spec code ([css-cascade-4]) and your comment topic in the subject line. (Alternatively, you can email one of the editors and ask them to forward your comment.)