CSS Working Group

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@oldmanfuentes en.wikipedia.org/wiki/X11_color…

@csswg How come Peru is the name of a color in CSS? How did you arrive at that decision? Thanks

Notes Telecon 2025-10-08 w3.org/blog/CSS/2025/… web-animations, css-animations, cssom-view, css-pseudo, css-anchor-position

(And lots of other small fixes and clarifications, as usual.)

Updated WD of CSS Anchor Positioning L1 Mostly adjustments to how default alignment works, plus renaming the x/y-self-foo keywords to self-x/y-foo w3.org/blog/CSS/2025/…

Notes Telecon 2025-09-24 w3.org/blog/CSS/2025/… css-images, css2, css-sizing, css-align, css-tables, css-anchor-position, css-animations, web-animations

Notes CSS Values 5 Breakout w3.org/blog/CSS/2025/…

Notes Telecon 2025-09-17 w3.org/blog/CSS/2025/… css-env, css-ui, css-pseudo, css-forms, css-backgrounds, css-flexbox

CSS Grid L3 (aka Masonry Layout) updated WD Some algo updates, and a few open questions we'd like feedback on! w3.org/blog/CSS/2025/…

Notes CSS Overflow Breakout 2025-09-17 w3.org/blog/CSS/2025/… css-overflow

Notes Telecon 2025-09-10 w3.org/blog/CSS/2025/… css-color, css-conditional, web-animations, css-animations

Notes Telecon 2025-09-03 w3.org/blog/CSS/2025/… css-text-decor, css-grid/masonry, css-overflow

Notes Breakout CSS Snapshot 2025 w3.org/blog/CSS/2025/…

Notes Telecon 2025-08-13 w3.org/blog/CSS/2025/… cssom-view, css-grid, css-anchor-position, css-animations

Earlier draft announcement, for reference: w3.org/blog/CSS/2025/… CSSWG is looking for author feedback on these open questions, so please help us by exploring the ideas and letting us know what you think!

Some recent discussions on developing masonry layout: - developer.chrome.com/blog/masonry-u… - webkit.org/blog/16587/ite… - webkit.org/blog/17219/ite… See overview of key open issues at github.com/w3c/csswg-draf… Current official draft at w3.org/TR/css-grid-3/, incorporating item-flow (2 options).

Notes Telecon 2025-08-06 w3.org/blog/CSS/2025/… css-color-adjust, css-anchor-position, web-animations, css-multicol, css-env, css-pseudo, css-page-floats, css-inline

Notes Gap Decoration Breakout 2025-08-06 lists.w3.org/Archives/Publi…

Notes Telecon 2025-07-16 w3.org/blog/CSS/2025/… css-cascade, css-forms, css-color, cssui, css-view-transitions, css-animations

Notes Telecon 2025-07-09 w3.org/blog/CSS/2025/… css-color-hdr, css-ui, css-env, css-fonts, css-conditional

Notes Telecon 2025-07-02 w3.org/blog/CSS/2025/… css-borders-4, css-text, css-values, css-backgrounds