CSS WG Blog front page

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, and the Future of CSS syndicator.

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.

Minutes Telecon 2015-05-13

By Dael Jackson May 14, 2015 (Permalink)
Categories: resolutions

Full Minutes

Minutes Telecon 2015-05-06

By Dael Jackson May 7, 2015 (Permalink)
Categories: resolutions

Full Minutes

Flexbox and Grid Percentage Margins: Feedback Needed

By Tab Atkins Jr. May 5, 2015 (Permalink)
Categories: Feedback

The CSS Working Group has reached an impasse on the issue of percentage margins (and padding) in flex and grid layout, and needs your input to help decide it.

Option 1: Flex and grid items resolve percentages in margin-top and margin-bottom against the height of the element’s containing block.

Option 2: Flex and grid items resolve percentages in margin-top and margin-bottom against the width of the element’s containing block.

Option 1 makes vertical margins consistent with horizontal margins (which resolve percentages against the width of the element’s containing block). This is a theoretically simpler model, and works well with Flexbox and Grid’s dimension-agnostic layout concepts. However, it is inconsistent with CSS block layout, and causes the margins to collapse to zero when used in an auto-height container.

Option 2 is consistent with the behavior of vertical margins in block and table layout. It has usable behavior in auto-height boxes, and enables the “aspect ratio hack”. However, it is a less obvious behavior, and means the layout interactions change based on whether a flexbox is “row” or “column”.

(For more background, see discussion on www-style.)

We’re looking for comments from authors explaining which behavior they think is better for Flex and Grid layout, and why. Do you have use-cases that can only be achieved with one behavior or the other? Show us in a comment on CSS3.info!

Minutes Telecon 2015-04-29

By Dael Jackson April 30, 2015 (Permalink)
Categories: resolutions

Full Minutes

Minutes Telecon 2015-04-22

By Dael Jackson April 23, 2015 (Permalink)
Categories: resolutions

Full Minutes

Minutes Telecon 2015-04-15

By Dael Jackson April 15, 2015 (Permalink)
Categories: resolutions

Full Minutes

Minutes Telecon 2015-04-01

By Dael Jackson April 9, 2015 (Permalink)
Categories: resolutions

Full Minutes

Minutes Telecon 2015-04-08

By Dael Jackson April 9, 2015 (Permalink)
Categories: resolutions

Full Minutes

New Extended Units and Gradients Draft

By fantasai April 1, 2015 (Permalink)
Categories: publications

The CSS Working Group is pleased to announce a new Editor’s Draft of CSS Expressive Generalizations and Gadgetry Level 1 (renaming suggestions welcome). This new module adds:

We are currently debating the publication of an FPWD. If you have comments, please contribute to the discussion on www-style!

Minutes Telecon 2015-03-25

By Dael Jackson March 26, 2015 (Permalink)
Categories: resolutions

Full Minutes

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Last updated 2015-07-23 11:58:12