public-css-archive@w3.org from December 2025 by thread

[csswg-drafts] [css-text-decor] Informal Western text emphasis and arbitrary marks (#13284) Christoph Päper via GitHub (Wednesday, 31 December)

Re: [csswg-drafts] [mediaqueries] `streaming` media feature for implementing streamer mode (#10973) Steven Linn via GitHub (Wednesday, 31 December)

Re: [csswg-drafts] Mixing :is() (or equivalent) with pseudo-elements (#9702) Romain Menke via GitHub (Wednesday, 31 December)

[csswg-drafts] [css-selectors-4] `::is()` functional pseudo element selectors (#13283) Romain Menke via GitHub (Wednesday, 31 December)

[csswg-drafts] [css-writing-modes-3] vertical-lr and vertical-rl (#13282) Frances Cornwall via GitHub (Wednesday, 31 December)

[csswg-drafts] Pull Request: [css-env-1] remove pem/bsem unit issue 12380 davidsgrogan via GitHub (Wednesday, 31 December)

[csswg-drafts] Pull Request: [css-env-1] remove pem/bsem unit issue 12380 davidsgrogan via GitHub (Wednesday, 31 December)

[csswg-drafts] [css-border] `@border-style` for custom border designs (#13280) Christoph Päper via GitHub (Wednesday, 31 December)

[csswg-drafts] [css-animations-2] Should there be 2 trigger-scope properties? (#13279) Tim Nguyen via GitHub (Tuesday, 30 December)

[csswg-drafts] Pull Request: [cssom-1][editorial] Fix links to CSSStyleProperties Sebastian Zartner via GitHub (Tuesday, 30 December)

[csswg-drafts] Pull Request: [cssom-1][editorial] Fix links to CSSStyleProperties Sebastian Zartner via GitHub (Tuesday, 30 December)

[csswg-drafts] Pull Request: [css-env-1][editorial] Discuss media queries in meta text-scale explainer davidsgrogan via GitHub (Tuesday, 30 December)

[csswg-drafts] [css-inline-3][css-text-3] Clarification on vertical-align shorthand and text boundary shaping (#13277) Sajid Anwar via GitHub (Tuesday, 30 December)

[csswg-drafts] Pull Request: [cssom-1][editorial] Fix links to CSSStyleProperties Guillaume via GitHub (Tuesday, 30 December)

Re: [csswg-drafts] [css-2025] Publish Snapshot as Group Note (#12715) Chris Lilley via GitHub (Tuesday, 30 December)

Closed: [csswg-drafts] [css-2025] Publish Snapshot as Group Note (#12715) Chris Lilley via GitHub (Tuesday, 30 December)

[csswg-drafts] Start CSS 2026 (#13275) Chris Lilley via GitHub (Tuesday, 30 December)

Re: [csswg-drafts] [css-images-4] Allow stripes to be used as gradients (#7244) Sebastian Zartner via GitHub (Monday, 29 December)

[csswg-drafts] Pull Request: [css-images-4] Added *-stripes() functions #7244 Sebastian Zartner via GitHub (Monday, 29 December)

[csswg-drafts] Pull Request: [css-images-4] Added *-stripes() functions #7244 Sebastian Zartner via GitHub (Monday, 29 December)

Re: [csswg-drafts] [selectors] `:empty` selector shouldn't match elements with shadow roots (#6771) AndreiF via GitHub (Monday, 29 December)

[csswg-drafts] Pull Request: [css-mixins-1][editorial] Added WPTs Sebastian Zartner via GitHub (Monday, 29 December)

[csswg-drafts] Pull Request: [css-mixins-1][editorial] Added WPTs Sebastian Zartner via GitHub (Monday, 29 December)

[csswg-drafts] Pull Request: [css-fonts][css-prints][css-values][editorial] Add font- prefix to production names Guillaume via GitHub (Sunday, 28 December)

Re: [csswg-drafts] [resize-observer] devicePixelContentBoxSize is always present in ResizeObserverEntry whether or not it's being observed (#6608) juj via GitHub (Sunday, 28 December)

Re: [csswg-drafts] [css-tables] Collapsed table borders don't follow sticky rows/cells when they stick (#3136) Vítězslav Ackermann Ferko (Saturday, 27 December)

[csswg-drafts] [selectors] Proposal: :near(<length>) pseudo-class for pointer proximity (“pre-hover” styling) (#13271) Thomas Walichiewicz via GitHub (Friday, 26 December)

Re: [csswg-drafts] [css-transitions][css-animations][web-animations] Add control of colorspace used for transitioning colors (#7063) Chris Lilley via GitHub (Friday, 26 December)

Re: [csswg-drafts] [web-animations-2] controlling animation frame rate (#7196) Antoine Quint via GitHub (Friday, 26 December)

[csswg-drafts] prefers-color-scheme Does Not Update When Switching Chrome Color Theme (#13270) Akshay04722 via GitHub (Friday, 26 December)

[csswg-drafts] [css-color][css-animations] Is it specified anywhere that a color animation at time=0 exactly match the from color's computed value? (#13269) Sam Weinig via GitHub (Thursday, 25 December)

[csswg-drafts] [css-anchor-position] Clarification: effect of `position-try-fallbacks` and `position-try-order` when the positioned box does not overflow (#13268) jfkthame via GitHub (Thursday, 25 December)

[csswg-drafts] [css-shapes] Basic shapes for regular polygons (#13267) Christoph Päper via GitHub (Wednesday, 24 December)

Re: [csswg-drafts] [css-color] [filter-effects] Should no-op filters produce different output from no filter? (#7100) Ana Tudor via GitHub (Wednesday, 24 December)

[csswg-drafts] [css-color] Add predefined color space for ECI RGB and few more (#13266) Christoph Päper via GitHub (Wednesday, 24 December)

Re: [csswg-drafts] [css-text][text-spacing] Extra spacing between Hangul and Hanja (#9979) ᡥᠠᡳᡤᡳᠶᠠ ᡥᠠᠯᠠ·ᠨᡝᡴᠣ 猫 via GitHub (Wednesday, 24 December)

[csswg-drafts] [css-anchor-position-1] Horizontal Review (#13265) fantasai via GitHub (Tuesday, 23 December)

[csswg-drafts] Pull Request: [css-gaps-1] Fix missing syntax for #inset #12848 Javier Contreras via GitHub (Tuesday, 23 December)

Re: [csswg-drafts] [css-shapes-1] Shape() ability to round path corners without having to manually calculate fillets (#12768) joe Jankowiak via GitHub (Tuesday, 23 December)

Re: [csswg-drafts] [css-mixins-1] Should we be more explicit about the result? (@result) (#13138) Christoph Päper via GitHub (Tuesday, 23 December)

Re: [csswg-drafts] [css-selectors] Standardize `:(‑moz‑)first‑node` and `:(‑moz‑)last‑node` (#3216) Sebastian Zartner via GitHub (Tuesday, 23 December)

[csswg-drafts] [css-fonts] Rename `<*-family-name>` to `<*-font-family-name>`? (#13263) Guillaume via GitHub (Tuesday, 23 December)

[csswg-drafts] [css-speech] Discrepancy between syntax and prose regarding negative frequencies in `voice-*` (#13262) Guillaume via GitHub (Tuesday, 23 December)

[csswg-drafts] [css-ruby-1] Overlapping new `display` values (#13261) Guillaume via GitHub (Tuesday, 23 December)

Re: [csswg-drafts] [cssom-view-1] Fix indentation of "run the scroll" steps (#12923) François Daoust via GitHub (Tuesday, 23 December)

[csswg-drafts] [css-sizing] Stretch size with margins, in block with inline parent (#13260) Oriol Brufau via GitHub (Tuesday, 23 December)

Re: [csswg-drafts] [css-position][css-anchor-position] Splitting Scrollable Containing Blocks (#12607) Tab Atkins Jr. via GitHub (Monday, 22 December)

Re: [csswg-drafts] [css-anchor-position] Simplifying math functions for `<percentage>` in `anchor()`? (#12131) Tab Atkins Jr. via GitHub (Monday, 22 December)

Re: [csswg-drafts] [css-anchor-position-1] anchors-visible still needs more details (#13176) Tab Atkins Jr. via GitHub (Monday, 22 December)

Re: [csswg-drafts] [css-anchor-position-1] Interaction between trying position options and CSS transitions (#13048) fantasai via GitHub (Monday, 22 December)

[csswg-drafts] [css-grid-3] replacing item-tolerance with existing properties (#13259) fantasai via GitHub (Monday, 22 December)

Re: [csswg-drafts] [css-anchor-position] Potentially moving the `anchor()` function "Validity" section (#11023) fantasai via GitHub (Monday, 22 December)

Closed: [csswg-drafts] [css-anchor-position] Potentially moving the `anchor()` function "Validity" section (#11023) fantasai via GitHub (Monday, 22 December)

Re: [csswg-drafts] [css-anchor-position] Potentially moving "The Anchor’s Position" section (#11022) fantasai via GitHub (Monday, 22 December)

Closed: [csswg-drafts] [css-anchor-position] Potentially moving "The Anchor’s Position" section (#11022) fantasai via GitHub (Monday, 22 December)

Closed: [csswg-drafts] [css-gaps-1] Insets instead of outsets (#12848) Javier Contreras via GitHub (Monday, 22 December)

[csswg-drafts] Can't target ::scroll-button with :has() (#13258) Kyle Smith via GitHub (Sunday, 21 December)

[csswg-drafts] [css-overflow] Should overflow: clip work on inline boxes? (#13257) Emilio Cobos Álvarez via GitHub (Sunday, 21 December)

[csswg-drafts] [cssom-view] minor editorial errors (#13256) 1jj via GitHub (Saturday, 20 December)

[csswg-drafts] [css-animations] Add a `animation-color-interpolation-method` (or similar) property to allow specifying an interpolation space for animations (#13255) Sam Weinig via GitHub (Saturday, 20 December)

[csswg-drafts] [css-color-6] Does color-layers() need a color interpolation method (or similar)? (#13254) Sam Weinig via GitHub (Saturday, 20 December)

[csswg-drafts] [filter-effects] `@filter` at-rule to substitute SVG `<filter>` element (#13253) Christoph Päper via GitHub (Saturday, 20 December)

Re: [csswg-drafts] [css-borders] allow multiple borders (#13044) Brad Kemper via GitHub (Saturday, 20 December)

Closed: [csswg-drafts] [css-anchor-position-1] position-try-options needs to set auto insets to zero for sizing (#12942) fantasai via GitHub (Friday, 19 December)

Re: [csswg-drafts] [css-anchor-position] Enable scroll position change for focused elements within anchored content (#11110) fantasai via GitHub (Friday, 19 December)

Re: [csswg-drafts] [css-anchor-position-1] Improve accessibility guidance (#10311) Tab Atkins Jr. via GitHub (Friday, 19 December)

Closed: [csswg-drafts] [css-anchor-position-1] position-visibility: anchors-visible should be clear about when is visibility determined (#12732) Tab Atkins Jr. via GitHub (Friday, 19 December)

Closed: [csswg-drafts] [css-anchor-position][other] Handling popover default styles (#10258) Tab Atkins Jr. via GitHub (Friday, 19 December)

Re: [csswg-drafts] [css-anchor-position] "determine position fallback styles" should be guarded by "If the current style overflows" (#12818) fantasai via GitHub (Friday, 19 December)

[csswg-drafts] Pull Request: [css-view-transitions-2] Reorder sections, add issues, change nested wording a bit; other editorial edits vmpstr via GitHub (Friday, 19 December)

Closed: [csswg-drafts] [css-anchor-position] Which writing-mode is used for position-try-order ? (#13076) Tab Atkins Jr. via GitHub (Friday, 19 December)

Closed: [csswg-drafts] [css-anchor-position-1] Allow anchor references to match names in outer tree scopes (#9408) Tab Atkins Jr. via GitHub (Friday, 19 December)

Re: [csswg-drafts] [css-anchor-position-1] Back-compat of scrollable containing block for all abspos with implicit anchors (#13067) fantasai via GitHub (Friday, 19 December)

[csswg-drafts] [css-font-loading-3] What is the behavior of adding a FontFace to documents.fonts in another document? (#13251) Simon Fraser via GitHub (Friday, 19 December)

[csswg-drafts] Pull Request: Fix markup Tab Atkins Jr. via GitHub (Friday, 19 December)

Re: [csswg-drafts] [css-font-loading] Remove the FontFaceSet constructor? (#10390) Simon Fraser via GitHub (Friday, 19 December)

[csswg-drafts] Pull Request: [css-navigation-1] Drop non-useful descriptors and note possible future changes. L. David Baron via GitHub (Friday, 19 December)

Re: [csswg-drafts] [css-grid-3] Masonry Switch Syntax (#12022) Sébastien LeBlanc via GitHub (Friday, 19 December)

Re: [csswg-drafts] [css-cascade-6] Add a `media()` function for `@import` (#10972) andruud via GitHub (Friday, 19 December)

[csswg-drafts] [css-sizing] `aspect-ratio` shouldn't apply to `<audio>` (#13248) Oriol Brufau via GitHub (Friday, 19 December)

Re: [csswg-drafts] [cssom-view] Correct indentation for "run the scroll steps" (#13238) W3C Bot via GitHub (Friday, 19 December)

[csswg-drafts] Pull Request: [css-mixins-1][editorial] Added WPTs Sebastian Zartner via GitHub (Thursday, 18 December)

[csswg-drafts] Pull Request: [css-mixins-1][editorial] Added WPTs Sebastian Zartner via GitHub (Thursday, 18 December)

Re: [csswg-drafts] [css-tables-3] mark Keith Cirkel (myself) as editor (#13161) François REMY via GitHub (Thursday, 18 December)

Re: [csswg-drafts] [css-values] Proposal: `descendant-count()` function (#11069) Brandon McConnell via GitHub (Thursday, 18 December)

Re: [csswg-drafts] [css-values] Proposal: `children-count()` function (#11068) Brandon McConnell via GitHub (Thursday, 18 December)

[csswg-drafts] [css-animations-2] Should animation triggers be their own spec? (#13245) fantasai via GitHub (Thursday, 18 December)

[csswg-drafts] [css-content] Clarify valid and default values of `string-set` (#13244) Christoph Päper via GitHub (Thursday, 18 December)

[csswg-drafts] Pull Request: [css-animations-2] Add non-normative accessibility considerations for animations Robert Flack via GitHub (Thursday, 18 December)

[csswg-drafts] [filter-effects] Should root propagate `filter` to the viewport (#13242) Oriol Brufau via GitHub (Thursday, 18 December)

[csswg-drafts] Pull Request: Define trigger-scope David A via GitHub (Thursday, 18 December)

[csswg-drafts] Pull Request: [css-spec-shortname-1] Respect "WebDriver BiDi emulated scrollbar type" https://github.com/w3c/webdriver-bidi/issues/772 Maksim Sadym via GitHub (Thursday, 18 December)

Re: [csswg-drafts] [css-scroll-snap] [cssom-view] Use a single scroll queue for all events (#12606) Sam Atkins via GitHub (Thursday, 18 December)

[csswg-drafts] Pull Request: [cssom-view] Update element scroll steps to use new tuple value Sam Atkins via GitHub (Thursday, 18 December)

[csswg-drafts] Pull Request: [cssom-view] Correct indentation for "run the scroll steps" Sam Atkins via GitHub (Thursday, 18 December)

Re: [csswg-drafts] [css-anchor] Allow anchoring to pointer (#8639) Einar Persson via GitHub (Thursday, 18 December)

Re: [csswg-drafts] [css-forms-1] Add 24px sizing rule for checkbox and radio inputs (#12489) Luke Warlow via GitHub (Thursday, 18 December)

Re: [csswg-drafts] [css-backgrounds-4] Decide on name for shorthand covering everything `background-*` except `background-color` (#9083) Oriol Brufau via GitHub (Thursday, 18 December)

[csswg-drafts] Pull Request: [css-values-5] Add explainer for 'revert-rule' andruud via GitHub (Thursday, 18 December)

Closed: [csswg-drafts] [css-text-decor-4] Consider renaming `text-decoration-trim` (#8402) Sebastian Zartner via GitHub (Thursday, 18 December)

[csswg-drafts] [web-animations-2] Playing newly created animations with finite timelines doesn't schedule play task (#13236) Callum Law via GitHub (Thursday, 18 December)

[csswg-drafts] [css-font-loading-3] FontFace.load() doesn't switch the FontFaceSet to `loading` (#13235) Simon Fraser via GitHub (Thursday, 18 December)

Re: [csswg-drafts] [css-text-decor-4] Consider renaming `text-decoration-trim` (#8402) Javier Contreras via GitHub (Wednesday, 17 December)

Closed: [csswg-drafts] [css-gaps-1] Asymmetric start and end offsets (#12603) Javier Contreras via GitHub (Wednesday, 17 December)

Closed: [csswg-drafts] [css-gaps] Gap decoration outsets at the edges (#12024) Javier Contreras via GitHub (Wednesday, 17 December)

[csswg-drafts] Pull Request: [css-position-4] Remove the overlay property Joey Arhar via GitHub (Wednesday, 17 December)

Re: [csswg-drafts] [css-box-4] margin-trim auto-margins needs more clarification wrt. fallback alignment. (#11397) fantasai via GitHub (Wednesday, 17 December)

Re: [csswg-drafts] [css-conditional][css-mixins][css-cascade] How should global at-rules work inside of "contextual conditionals" like `@container`? (#12627) CSS Meeting Bot via GitHub (Wednesday, 17 December)

Re: [csswg-drafts] [css-grid-3][masonry] Clarify what mixing subgridded items with automatic and definite grid position does (#10926) CSS Meeting Bot via GitHub (Wednesday, 17 December)

Re: [csswg-drafts] [css-grid-3] Make align-self/justify-self align including adjacent extra space (#10275) CSS Meeting Bot via GitHub (Wednesday, 17 December)

Re: [csswg-drafts] [css-grid-3][masonry] Adjustments/additions to `grid` shorthanding (#12023) fantasai via GitHub (Wednesday, 17 December)

Re: [csswg-drafts] [css-viewport] interactive-widget=resizes-content - will that likely fix issues with fixed headers/footers and on-screen keyboards? (#10464) 𝒶𝓃𝓃𝒶𝑔𝓇𝒶𝓂 via GitHub (Wednesday, 17 December)

[csswg-drafts] Pull Request: [css-cascade][css-syntax] Add links to the definition of "media type" Guillaume via GitHub (Wednesday, 17 December)

[csswg-drafts] Pull Request: [css-cascade][css-syntax] Add links to the definition of "media type" Guillaume via GitHub (Wednesday, 17 December)

[csswg-drafts] Pull Request: [cssom-1][editorial] Remove reference to fixed issue Guillaume via GitHub (Wednesday, 17 December)

[csswg-drafts] Pull Request: [cssom-1][editorial] Remove reference to fixed issue Guillaume via GitHub (Wednesday, 17 December)

[csswg-drafts] Pull Request: [scroll-animations-1] Clarify "Computed value" of scroll-animation-name andruud via GitHub (Wednesday, 17 December)

[csswg-drafts] [web-animations-2] Incorrect value for total time in "convert a time based animation to a proportional animation" (#13230) Callum Law via GitHub (Wednesday, 17 December)

Re: [csswg-drafts] [css-scroll-snap-1] Avoid page scrolling skipping past snappable items (#10914) shanthambi via GitHub (Wednesday, 17 December)

[csswg-drafts] Pull Request: [css-color-4] Fix reference URL in comment Jean-Yves Moyen via GitHub (Wednesday, 17 December)

Closed: [csswg-drafts] [cssom] Add name field for CSSStyleSheet constructor options (#13145) woody-li via GitHub (Wednesday, 17 December)

Re: [csswg-drafts] [css-align-3][css-position-3] How should safe alignment work for OOF elements when positioned statically? (#11934) 一丝 via GitHub (Wednesday, 17 December)

Re: [csswg-drafts] [css-gaps-1] Update `outset` properties #12603, #12848, #8402 (#13024) Kevin Babbitt via GitHub (Wednesday, 17 December)

[csswg-drafts] [css-text-4] Renaming text-wrap-mode probably won't happen (#13228) Martin Thomson via GitHub (Wednesday, 17 December)

Re: [csswg-drafts] [css-grid-3][masonry] Effect of negative bottom margins on running position + dense-packing (#13164) Hoch via GitHub (Tuesday, 16 December)

[csswg-drafts] Pull Request: [css-forms-1] Use border-radius: 50% instead of 100% fantasai via GitHub (Tuesday, 16 December)

[csswg-drafts] [css-forms-1] Use visibility for checkmark control? (#13226) fantasai via GitHub (Tuesday, 16 December)

Re: [csswg-drafts] [css-color-adjust-1] Wide Review (#12815) Chris Lilley via GitHub (Tuesday, 16 December)

Re: [csswg-drafts] [css-2025][css-color-adjust-1] Add CSS Color Adjust 1 to Reliable CRs (#12692) Chris Lilley via GitHub (Tuesday, 16 December)

Re: [csswg-drafts] [css-borders-4] Refactor contour path algorithm (#13173) Noam Rosenthal via GitHub (Tuesday, 16 December)

Re: [csswg-drafts] [css-anchor-position] fallback-position behavior: spec vs. expectation (#12682) 一丝 via GitHub (Tuesday, 16 December)

[csswg-drafts] Pull Request: [pointer-animations-1] Link `source` and `target` back to right type François Daoust via GitHub (Tuesday, 16 December)

Re: [csswg-drafts] [cssom] `ComputedStyleObserver` to observe changes in elements' computed styles (#8982) Matthew Dean via GitHub (Tuesday, 16 December)

Re: [csswg-drafts] [css-grid] Decide on a name for `item-slack` (#10884) fantasai via GitHub (Monday, 15 December)

Re: [csswg-drafts] [css-view-transitions-1] Can we make the `::view-transition-old` and `::view-transition-new` pseudos “:has-allowed pseudo-element”s? (#12630) Kevin Grajeda via GitHub (Monday, 15 December)

Re: [csswg-drafts] [css-gaps-1] Serializing `column-rule` shorthand from separate longhands (#12201) Kevin Babbitt via GitHub (Monday, 15 December)

Re: [csswg-drafts] [css-animations] Clarify whether `<keyframes-name>` supports the empty string (#7762) Alan Stearns via GitHub (Monday, 15 December)

Re: [csswg-drafts] [css-om] Serialization of font-family names: quoted string vs keyword (#5846) Chris Lilley via GitHub (Monday, 15 December)

Re: [csswg-drafts] [css-overflow] Can you line-clamp by both a number of lines and a height at the same time? (#12041) Ian Kilpatrick via GitHub (Monday, 15 December)

[csswg-drafts] [css-transitions] Proposal: a way to restrict transitioning to specific state changes (#13224) Benoît Rouleau via GitHub (Monday, 15 December)

Re: [csswg-drafts] [css-contain-3] Make `<container-query>` optional in `@container` (#9192) 一丝 via GitHub (Monday, 15 December)

[csswg-drafts] Pull Request: [fill-stroke-3][editorial] Fixed display of figure 8 Sebastian Zartner via GitHub (Monday, 15 December)

[csswg-drafts] Pull Request: [fill-stroke-3][editorial] Fixed display of figure 8 Sebastian Zartner via GitHub (Monday, 15 December)

[csswg-drafts] Pull Request: [fill-stroke] fix SVG paths Masataka Yakura via GitHub (Monday, 15 December)

[csswg-drafts] [fill-stroke-3][editorial] Image of figure 8 not shown in Firefox (#13221) Sebastian Zartner via GitHub (Monday, 15 December)

[csswg-drafts] [web-animations-2] Iteration duration is never set if specified iteration duration is "auto" in "convert a time based animation to a proportional animation" (#13220) Callum Law via GitHub (Monday, 15 December)

[csswg-drafts] [css-grid-2] definr the default track sizing function of 'grid-template-areas' property (#13219) RunMan via GitHub (Monday, 15 December)

Re: [csswg-drafts] [css-easing] Allow `steps()` to accept an easing function as the `<step-position>` (#11970) Bramus via GitHub (Sunday, 14 December)

[csswg-drafts] [css-scrollbars-1] Add scrollbar-style property for overlay scrollbars (#13218) Arif via GitHub (Sunday, 14 December)

[csswg-drafts] Pull Request: [css-nesting-1][editorial] Added WPTs Sebastian Zartner via GitHub (Sunday, 14 December)

[csswg-drafts] Pull Request: [css-nesting-1][editorial] Added WPTs Sebastian Zartner via GitHub (Sunday, 14 December)

[csswg-drafts] [css-text-decor-4] Definition of `from-font` value for `text-decoration-thickness` (#13216) jfkthame via GitHub (Saturday, 13 December)

[csswg-drafts] Add `prefers-handedness` media query for left/right-handed users (#13215) Stéphane LaFlèche via GitHub (Saturday, 13 December)

[csswg-drafts] [css-syntax] CDO Token railroad diagram (#13214) Christoph Päper via GitHub (Saturday, 13 December)

Re: [csswg-drafts] [css-values] Allow `unset` to use `revert` for non-inherited properties, instead of `initial` (#12341) Benoît Rouleau via GitHub (Saturday, 13 December)

[csswg-drafts] [css-values] Proposal: new `presentational` global value to revert a property to use presentational hints if any, otherwise behave like `revert` (#13213) Benoît Rouleau via GitHub (Saturday, 13 December)

Re: [csswg-drafts] [css-flexbox][css-grid] Unifying grid-auto-flow and flex-flow (#11480) Tab Atkins Jr. via GitHub (Friday, 12 December)

Re: [csswg-drafts] [css-flexbox] flex-shrink: hide (#4199) Kurtis Jantzen via GitHub (Friday, 12 December)

[csswg-drafts] [css-properties-values-api] Mass property registration (#13212) Lea Verou via GitHub (Friday, 12 December)

Re: [csswg-drafts] [css-shapes][css-images-3] `<radial-size>` syntax seems incorrect (#10812) Romain Menke via GitHub (Friday, 12 December)

[csswg-drafts] [css-properties-values-api] `@property` descriptors should be optional whenever possible (#13211) Christoph Päper via GitHub (Friday, 12 December)

[csswg-drafts] Seeking Korean help (#13210) r12a via GitHub (Friday, 12 December)

[csswg-drafts] [css-font-loading] switch the FontFaceSet to loaded resolves promise incorrectly (#13209) Anne van Kesteren via GitHub (Friday, 12 December)

Re: [csswg-drafts] [css-grid-3] Renaming `masonry` keyword (#9733) fantasai via GitHub (Friday, 12 December)

Closed: [csswg-drafts] [css-grid-3] Renaming `masonry` keyword (#9733) fantasai via GitHub (Friday, 12 December)

Closed: [csswg-drafts] [css-grid-3][Masonry] Intrinsic auto repeats mixed with fixed tracks (#12899) fantasai via GitHub (Thursday, 11 December)

Closed: [csswg-drafts] [css-grid-3][Masonry] repeat(auto-fill) and minmax() (#12573) fantasai via GitHub (Thursday, 11 December)

Re: [csswg-drafts] [css-sizing-3][css-grid-3][Masonry] Compressible Replaced Elements (#12563) fantasai via GitHub (Thursday, 11 December)

Closed: [csswg-drafts] [css-sizing-3][css-grid-3][Masonry] Compressible Replaced Elements (#12563) fantasai via GitHub (Thursday, 11 December)

Closed: [csswg-drafts] [css-grid-3] The initial value of `item-tolerance` should be 0 (#10882) Tab Atkins Jr. via GitHub (Thursday, 11 December)

Closed: [csswg-drafts] [css-grid][masonry] repeat(auto-areas) (#10854) fantasai via GitHub (Thursday, 11 December)

Re: [csswg-drafts] [css-grid-1][masonry] Replaced content items should stretch by default. (#9327) fantasai via GitHub (Thursday, 11 December)

Closed: [csswg-drafts] [css-grid-1][masonry] Replaced content items should stretch by default. (#9327) fantasai via GitHub (Thursday, 11 December)

Closed: [csswg-drafts] [css-grid-3][masonry] Baseline alignment in the masonry axis (#9530) fantasai via GitHub (Thursday, 11 December)

Re: [csswg-drafts] [css-grid-3] Should grid-lanes live in the Grid spec, or its own module? (#13115) Tab Atkins Jr. via GitHub (Thursday, 11 December)

Re: [csswg-drafts] [css-backgrounds-3] Steps to Recommendation (#10010) Kevin Babbitt via GitHub (Thursday, 11 December)

[csswg-drafts] Pull Request: [css-borders-4] Adjust border-width zero value special case per WG resolution. #11494 Kevin Babbitt via GitHub (Thursday, 11 December)

[csswg-drafts] Pull Request: [css-borders-4] Adjust border-width zero value special case per WG resolution. #11494 Kevin Babbitt via GitHub (Thursday, 11 December)

Re: [csswg-drafts] [css-content] URL fallbacks in 'content' should require type() or format() (#217) Sam Atkins via GitHub (Thursday, 11 December)

Re: [csswg-drafts] [css-overflow-4] max-lines and independent formatting contexts (#12962) fantasai via GitHub (Thursday, 11 December)

[csswg-drafts] [css-overflow-5] Allow controlling scroll axis locking behavior (#13207) Robert Flack via GitHub (Thursday, 11 December)

Re: [csswg-drafts] [css-images-4][css-shapes-1] Allow mixing `<radial-extent>` and `<length-percentage>` in `<radial-size>` (#9729) Callum Law via GitHub (Wednesday, 10 December)

[csswg-drafts] [css-grid-2] Clarify auto margins on subgrids (#13206) fantasai via GitHub (Wednesday, 10 December)

[csswg-drafts] [Proposal] Selector Suffixing for Native CSS Nesting (#13205) Miguel92 via GitHub (Wednesday, 10 December)

[csswg-drafts] [css-text-4] SVSes should be considered when classifying punctuations (#13204) AmeroHan via GitHub (Wednesday, 10 December)

[csswg-drafts] [geometry] DOMMatrix stringifier could now serialize NaN and infinity instead of throwing exceptions (#13203) Sam Atkins via GitHub (Wednesday, 10 December)

Closed: [csswg-drafts] Should `text-decoration-thickness: auto` and `from-font` round to device pixels and ensure >= 1px? (#8768) Oriol Brufau via GitHub (Wednesday, 10 December)

Re: [csswg-drafts] [css-overflow] Should the viewport accept `overflow: clip`? (#12687) CSS Meeting Bot via GitHub (Wednesday, 10 December)

[csswg-drafts] [css-text-decor-4] how should text-underline-offset be pixel-snapped? (#13202) L. David Baron via GitHub (Wednesday, 10 December)

Re: [csswg-drafts] Should `text-decoration-thickness: auto` and `from-font` round to device pixels and ensure >= 1px? (#8768) Emilio Cobos Álvarez via GitHub (Wednesday, 10 December)

Re: [csswg-drafts] [css-text] Reconsider the initial value of the `text-autospace` property (#12386) CSS Meeting Bot via GitHub (Wednesday, 10 December)

Re: [csswg-drafts] [selectors] Consider adding a :hover-drag pseudo selector (#11834) CSS Meeting Bot via GitHub (Wednesday, 10 December)

Re: [csswg-drafts] [css-overflow] Initial value of `block-ellipsis` (#12667) fantasai via GitHub (Wednesday, 10 December)

Re: [csswg-drafts] [css-borders] [css-ui] Consider rounding (negative?) outline-offsets like border-widths (#12906) fantasai via GitHub (Wednesday, 10 December)

Re: [csswg-drafts] [css-text-decor] Rounding of text-decoration-thickness (#12696) fantasai via GitHub (Wednesday, 10 December)

[csswg-drafts] Status of css-houdini-drafts and fxtf-drafts? (#13201) Lea Verou via GitHub (Wednesday, 10 December)

[csswg-drafts] [css-position-4] Consider removing the overlay property (#13200) Joey Arhar via GitHub (Wednesday, 10 December)

Re: [csswg-drafts] [css-fonts-5] Feature for making text always fit the width of its parent (#2528) Mateusz Krzeszowiak via GitHub (Wednesday, 10 December)

[csswg-drafts] [css-navigation-1] Simplify `@navigation` matching between two pages, regardless of direction (#13199) Bramus via GitHub (Wednesday, 10 December)

Re: [csswg-drafts] [css-selectors] Expose <input type=search> clear icon as a standard pseudo element (#5365) woody-li via GitHub (Wednesday, 10 December)

Re: [csswg-drafts] [css-view-transitions-2] [scoped] Clarify the ::v-t box and stacking context position relative to the scope (#12324) Bramus via GitHub (Wednesday, 10 December)

Closed: [csswg-drafts] [css-overscroll] the target of overscroll-behavior should be scrolling box instead of scroll container? (#6523) hiikezoe via GitHub (Wednesday, 10 December)

Re: [csswg-drafts] [css-overscroll] the target of overscroll-behavior should be scrolling box instead of scroll container? (#6523) hiikezoe via GitHub (Wednesday, 10 December)

[csswg-drafts] Proposal for ::drag-image to style the after-image of dragged elements (#13198) Fafowora Sunkanmi via GitHub (Wednesday, 10 December)

Re: [csswg-drafts] [css-images] Add easing functions to color stops (#1332) Ryan Leichty via GitHub (Tuesday, 9 December)

[csswg-drafts] Missing Git History? (#13197) Brandon Stewart via GitHub (Tuesday, 9 December)

Re: [csswg-drafts] [meta] Overview page on drafts.csswg.org not updating (#12743) Chris Lilley via GitHub (Tuesday, 9 December)

Re: [csswg-drafts] [selectors-4] additional resource state pseudo-classes for img / picture elements (#7467) Anne van Kesteren via GitHub (Tuesday, 9 December)

Re: [csswg-drafts] [css-forms-1] Do the new pseudo-elements have internal structure or are they trees of pseudo-elements? Or are they neither? (#12758) Joey Arhar via GitHub (Tuesday, 9 December)

Re: [csswg-drafts] [css-ui] `caret-shape` definition should mention about the case of IME composition (#13055) Masayuki Nakano via GitHub (Tuesday, 9 December)

[csswg-drafts] [web-animations-2] Should CSSNumericValue number values be allowed for setting start and current time? (#13196) Callum Law via GitHub (Tuesday, 9 December)

[csswg-drafts] Pull Request: [selectors-4][selectors-5] Deferred several features from Level 4 to 5 Sebastian Zartner via GitHub (Monday, 8 December)

[csswg-drafts] Pull Request: [selectors-4][selectors-5] Deferred several features from Level 4 to 5 Sebastian Zartner via GitHub (Monday, 8 December)

Re: [csswg-drafts] [css-view-transitions-2] [scoped] Add a way to contain view transition names (#13123) vmpstr via GitHub (Monday, 8 December)

Re: [csswg-drafts] [css-view-transitions-2] [scoped] Are we happy with contain:v-t as the API for tag containment? (#13123) vmpstr via GitHub (Monday, 8 December)

Re: [csswg-drafts] [selectors-4] Move to CR? (#12799) Alan Stearns via GitHub (Monday, 8 December)

[csswg-drafts] Pull Request: switch to python 3.14 Tab Atkins Jr. via GitHub (Monday, 8 December)

[csswg-drafts] Spec deployment fails in GitHub Actions (#13193) Brandon Stewart via GitHub (Monday, 8 December)

Re: [csswg-drafts] [css-forms-1] UA styles for base appearance listbox select elements (#12510) Joey Arhar via GitHub (Monday, 8 December)

Closed: [csswg-drafts] [css-grid-3] Masonry Switch Syntax (#12022) fantasai via GitHub (Monday, 8 December)

[csswg-drafts] Pull Request: [css-grid-3] Update CSS-Grid-3 spec to use new grid-lanes syntax Brandon Stewart via GitHub (Monday, 8 December)

[csswg-drafts] [css-pseudo] Allow outline/box-shadow on highlight pseudo-elements (#13192) Nicolò Ribaudo via GitHub (Monday, 8 December)

[csswg-drafts] Pull Request: [css-grid-3] Update CSS-Grid-3 spec to use new grid-lanes syntax Brandon Stewart via GitHub (Monday, 8 December)

[csswg-drafts] Pull Request: Proposed spec changes for safe printable insets. Morten Stenshorne via GitHub (Monday, 8 December)

[csswg-drafts] [css-values-5] Unit cycles via if() (#13189) andruud via GitHub (Monday, 8 December)

Re: [csswg-drafts] [css-values-5] The `<random-value-sharing>` options for `random()` are confusing (#13132) Bramus via GitHub (Monday, 8 December)

Re: [csswg-drafts] [css-borders] Add a 'hairline' border-width value (#3720) robizzt via GitHub (Monday, 8 December)

Closed: [csswg-drafts] [css-text-4] `text-spacing-trim` (and `font-feature-settings: "palt"`) is harmful for Yu Gothic UI (system-ui in Japanese Windows) (#11074) Chris Lilley via GitHub (Sunday, 7 December)

Re: [csswg-drafts] [css-text-4] `text-spacing-trim` (and `font-feature-settings: "palt"`) is harmful for Yu Gothic UI (system-ui in Japanese Windows) (#11074) Chris Lilley via GitHub (Saturday, 6 December)

Re: [csswg-drafts] New name for `app-region` property? (#13102) Diego Gonzalez via GitHub (Friday, 5 December)

[csswg-drafts] [css-values] "inherits: declaration" @property syntax (#13188) James Stuckey Weber via GitHub (Friday, 5 December)

Re: [csswg-drafts] [web-animations-2][css-animations-2] How should unspecified trigger range boundaries be resolved? (#11932) Yehonatan Daniv via GitHub (Friday, 5 December)

Re: [csswg-drafts] [mediaqueries-5][css-conditional-5][css-mixins-1] Order dependent rules and adopted stylesheets (#13041) andruud via GitHub (Friday, 5 December)

Re: [csswg-drafts] [css-page] Expose unprintable areas via CSS (#11395) Morten Stenshorne via GitHub (Friday, 5 December)

Re: [csswg-drafts] [css-fonts-5] Text Fitting: Default scaling limit (#12886) Ian Kilpatrick via GitHub (Friday, 5 December)

[csswg-drafts] Pull Request: [css-navigation-1] Add definitions of @navigation (history: ...) queries L. David Baron via GitHub (Thursday, 4 December)

Re: [csswg-drafts] [css-2025][geometry-1] Add Geometry 1 to Rough Interop (#12698) Chris Lilley via GitHub (Thursday, 4 December)

Re: [csswg-drafts] [css-display-4] reading-flow/reading-order vs text selection (#12014) Sam Sneddon via GitHub (Thursday, 4 December)

Re: [csswg-drafts] [cssom-view] elementFromPoint, elementsFromPoint, and caretPositionFromPoint should not return an element inside a shadow tree (#556) Joey Arhar via GitHub (Thursday, 4 December)

Re: [csswg-drafts] [css-grid-3][masonry] Handling negative margins and dense packing for baseline calculation in the masonry axis (#13165) Hoch via GitHub (Thursday, 4 December)

Re: [csswg-drafts] [css-view-transitions-2] [scoped] What is the layout of the ::v-t pseudo in relation to the scope? (#12324) Steve Kobes (Chromium) via GitHub (Thursday, 4 December)

Re: [csswg-drafts] Are form controls replaced elements? (#12876) Emilio Cobos Álvarez via GitHub (Thursday, 4 December)

Re: [csswg-drafts] [web-animations-2] Make TimelineTrigger interface support multiple timelines (#13175) David A via GitHub (Thursday, 4 December)

[csswg-drafts] [cssom] Properties that allow access to parsed-but-invalid syntactic constructs (declarations, rules, etc) as a low-fi way to make polyfills easier (#13186) Lea Verou via GitHub (Thursday, 4 December)

Re: [csswg-drafts] [css-animations-2][web-animation-2] Rename exit range to active range (#13174) Bramus via GitHub (Thursday, 4 December)

Re: [csswg-drafts] [css-view-transitions-2] [scoped] Allow self-participating scopes? (#12319) Marco Necci via GitHub (Thursday, 4 December)

Re: [csswg-drafts] [css-properties-values-api] Shorthand for custom property declaration (#7523) Lea Verou via GitHub (Thursday, 4 December)

[csswg-drafts] [css-overflow-4] overflow-clip-margin's ommited default box (#13185) Emilio Cobos Álvarez via GitHub (Thursday, 4 December)

[csswg-drafts] [css-contain] Clarification: does content-visibility: hidden affect id references? (#13184) Philip Rogers via GitHub (Thursday, 4 December)

Re: [csswg-drafts] [css-animations] Serialize all keyframe names as strings (#2435) Javier Fernandez Garcia-Boente via GitHub (Wednesday, 3 December)

Re: [csswg-drafts] [cssom-view] HTMLElement.prototype.offsetParent leaks a node inside a shadow tree (#159) Joe Pea via GitHub (Wednesday, 3 December)

Re: [csswg-drafts] [css-color] Mitigating fingerprinting for AccentColor/AccentColorText (#10372) CSS Meeting Bot via GitHub (Wednesday, 3 December)

Re: [csswg-drafts] [css-env][css-values] UAs inconsistent in how OS font settings affect the default font-size `medium` (#10674) CSS Meeting Bot via GitHub (Wednesday, 3 December)

Re: [csswg-drafts] [css-fonts-5] Should absolute font size keywords scale at different rates depending on user's preferred text scale? (#12475) CSS Meeting Bot via GitHub (Wednesday, 3 December)

Re: [csswg-drafts] Republishing Tasks Permathread (#6900) CSS Meeting Bot via GitHub (Wednesday, 3 December)

Re: [csswg-drafts] Proposal for a user interaction :drag pseudo-class (#11584) Robert Flack via GitHub (Wednesday, 3 December)

Re: [csswg-drafts] Add an `::interest-button` pseudo element to interest invokers (#12437) Lea Verou via GitHub (Wednesday, 3 December)

Re: [csswg-drafts] [css-grid-3][Masonry] repeat(auto-fill) and minmax() (#12573) CSS Meeting Bot via GitHub (Wednesday, 3 December)

Re: [csswg-drafts] [css-sizing] Auto-resize iframes based on content (#1771) Chris Harrelson via GitHub (Wednesday, 3 December)

[csswg-drafts] overflow-clip-margin: <visual-box> definition seems wrong. (#13183) Emilio Cobos Álvarez via GitHub (Wednesday, 3 December)

Re: [csswg-drafts] [css-grid-3][masonry] item-flow row vs. column in masonry layouts (#12803) Alison Maher via GitHub (Wednesday, 3 December)

Re: [csswg-drafts] [css-navigation][css-view-transitions-2] MPA: 'back' transitions (#8685) Jake Archibald via GitHub (Wednesday, 3 December)

Re: [csswg-drafts] [css-navigation] Concerns about `at` navigation rules creating CSS bloat (#13117) Noam Rosenthal via GitHub (Wednesday, 3 December)

Re: [csswg-drafts] [css-properties-values-api] Allow `<syntax>` production in `syntax` descriptor (#11426) Sebastian Zartner via GitHub (Wednesday, 3 December)

Re: [csswg-drafts] [css-shapes-1] Proposal: Option for the radii of `round` on `<basic-shape-rect>` to resolve percentages against the rectangle itself instead of the reference box (#12598) Bernhard F. (RealObjects) via GitHub (Wednesday, 3 December)

[csswg-drafts] [css-sizing] Should `contain-intrinsic-*: from-element` require `contain:size`? (#13182) Koji Ishii via GitHub (Wednesday, 3 December)

Re: [csswg-drafts] [css-text-decor-4] Should the spec for `text-decoration-trim` suggest applying `auto` to Chinese & Japanese content by default? (#12951) Yasuo Kida （木田泰夫） via GitHub (Wednesday, 3 December)

Last message date: Wednesday, 31 December 2025 21:06:20 UTC