| Specification | Last Update | By | |
|---|---|---|---|
| CSS Box Alignment 3 | 2025-03-24 13:22:07 PDT | fantasai |  |
| CSS Anchor Positioning 1 | 2024-10-12 12:45:30 PDT | jonathan-watt | |
| css-animations | |||
| CSS Animations 1(Current Work) | 2025-01-31 08:06:57 PST | dbaron | |
| CSS Animations 2 | 2025-03-03 07:55:56 PST | antoine_quint | |
| css-backgrounds | |||
| CSS Backgrounds 3(Current Work) | 2025-03-11 13:12:51 PDT | kbabbitt |  |
| CSS Backgrounds 4 | 2025-03-06 16:04:56 PST | francois_daoust | |
| CSS Borders 4 | 2025-02-27 08:42:51 PST | noamr | |
| css-box | |||
| CSS Box 3(Current Work) | 2024-04-04 12:15:50 PDT | chrisl | |
| CSS Box 4 | 2025-01-17 16:35:50 PST | chris_rebert | |
| css-break | |||
| CSS Fragmentation 3(Current Work) | 2023-08-28 12:44:59 PDT | fantasai | |
| CSS Fragmentation 4 | 2024-03-11 12:53:48 PDT | fantasai | |
| css-cascade | |||
| CSS Cascading 3 | 2024-01-30 08:39:12 PST | chris_harrelson | |
| CSS Cascading 4(Current Work) | 2023-08-28 12:44:59 PDT | fantasai | |
| CSS Cascading 5 | 2023-08-28 12:44:59 PDT | fantasai | |
| CSS Cascading 6 | 2025-03-18 14:32:35 PDT | bramus_ | |
| css-color | |||
| CSS Color 3 | 2024-03-04 22:27:21 PST | chrisl | |
| CSS Color 4(Current Work) | 2025-04-17 14:30:37 PDT | chrisl | |
| CSS Color 5 | 2025-04-15 10:59:30 PDT | chrisl | |
| CSS Color 6 | 2025-03-03 23:47:30 PST | chrisl | |
| CSS Color Adjust 1 | 2024-11-26 16:45:35 PST | kbabbitt | |
| CSS Color HDR 1 | 2025-04-01 08:09:28 PDT | chrisl | |
| css-conditional | |||
| CSS Conditional 3 | 2025-01-28 18:43:29 PST | dbaron | |
| CSS Conditional 4 | 2024-03-19 14:18:22 PDT | chrisl | |
| CSS Conditional 5(Current Work) | 2024-12-19 11:59:27 PST | mirisuzanne | |
| CSS Conditional Values 1 | 2023-02-21 10:38:59 PST | tabatkins | |
| css-contain | |||
| CSS Containment 1 | 2024-06-28 01:18:26 PDT | florian | |
| CSS Containment 2(Current Work) | 2025-01-18 07:03:25 PST | chrisl | |
| CSS Containment 3 | 2024-06-19 22:24:05 PDT | florian | |
| CSS Generated Content 3 | 2024-05-17 10:45:40 PDT | chrisl | |
| CSS Counter Styles 3 | 2025-03-11 13:17:33 PDT | Guillaume | |
| css-display | |||
| CSS Display 3 | 2023-11-22 12:27:09 PST | fantasai | |
| CSS Display 4(Current Work) | 2025-03-29 07:35:25 PDT | rachelandrew | |
| css-easing | |||
| CSS Easing 1 | 2024-08-28 08:42:11 PDT | chrisl | |
| CSS Easing 2(Current Work) | 2025-02-06 05:16:04 PST | Guillaume | |
| CSS Expressive Generalizations and Gadgetry 1 | 2023-02-21 10:38:59 PST | tabatkins | |
| CSS Environment Variables 1 | 2025-03-18 14:44:33 PDT | tabatkins | |
| CSS Exclusions 1 | 2024-07-24 13:24:31 PDT | tabatkins | |
| CSS Extensions 1 | 2024-01-24 06:55:31 PST | chrisl | |
| CSS Flexbox 1 | 2025-03-10 14:44:56 PDT | tabatkins | |
| CSS Font Loading 3 | 2024-05-11 15:05:52 PDT | chrisl | |
| css-fonts | |||
| CSS Fonts 3 | 2024-09-08 04:48:21 PDT | Guillaume | |
| CSS Fonts 4(Current Work) | 2025-04-15 12:14:01 PDT | chrisl | |
| CSS Fonts 5 | 2025-01-13 10:41:28 PST | chrisl | |
| CSS Form Styling 1 | 2025-04-14 07:45:53 PDT | ntim | |
| CSS Gaps 1 | 2025-04-17 09:10:32 PDT | chrisl | |
| css-gcpm | |||
| CSS GCPM 3(Current Work) | 2024-05-04 10:04:59 PDT | chrishtr | |
| CSS GCPM 4 | 2024-01-24 06:55:31 PST | chrisl | |
| css-grid | |||
| CSS Grid Layout 1 | 2025-03-28 15:14:42 PDT | fantasai | |
| CSS Grid Layout 2(Current Work) | 2025-03-28 15:14:23 PDT | fantasai | |
| CSS Grid Layout 3 | 2025-02-21 07:48:17 PST | tabatkins | |
| CSS Highlight API 1 | 2025-03-03 15:13:14 PST | sanket_joshi | |
| css-images | |||
| CSS Images 3(Current Work) | 2025-03-18 00:08:30 PDT | Guillaume | |
| CSS Images 4 | 2025-03-18 00:09:06 PDT | Guillaume | |
| CSS Images 5 | 2023-08-28 12:44:59 PDT | fantasai | |
| CSS Inline Layout 3 | 2025-03-28 15:16:34 PDT | fantasai | |
| CSS Line Grid 1 | 2024-07-26 03:25:50 PDT | florian | |
| CSS Linked Parameters 1 | 2023-08-07 09:00:10 PDT | nick_schonning | |
| CSS Lists 3 | 2024-01-24 06:55:31 PST | chrisl | |
| CSS Logical Properties 1 | 2024-01-24 06:55:31 PST | chrisl | |
| CSS Mixins 1 | 2025-03-10 14:14:36 PDT | andruud | |
| CSS Mobile Profile 2.0 | 2021-11-15 13:13:56 PST | tabatkins | |
| css-multicol | |||
| CSS Multicol 1(Current Work) | 2024-11-22 10:25:46 PST | kbabbitt | |
| CSS Multicol 2 | 2025-04-08 00:10:39 PDT | rachelandrew | |
| CSS Namespaces 3 | 2024-10-25 11:02:15 PDT | Guillaume | |
| CSS Spatial Navigation 1 | 2024-07-29 07:53:45 PDT | florian |  |
| CSS Nesting 1 | 2024-12-04 11:58:43 PST | chrisl | |
| css-overflow | |||
| CSS Overflow 3 | 2025-03-20 17:53:12 PDT | masataka_yakura | |
| CSS Overflow 4(Current Work) | 2025-01-28 18:43:29 PST | dbaron | |
| CSS Overflow 5 | 2025-02-07 12:22:54 PST | flackr | |
| CSS Overscroll Behavior 1 | 2023-03-03 12:37:39 PST | fantasai | |
| css-page | |||
| CSS Paged Media 3(Current Work) | 2025-03-04 10:53:06 PST | Guillaume | |
| CSS Paged Media 4 | 2023-05-12 10:45:23 PDT | tabatkins | |
| CSS Page Floats 3 | 2024-11-03 23:41:09 PST | Guillaume | |
| CSS Pagination Templates 1 | 2021-02-21 23:26:51 PST | fantasai | |
| css-position | |||
| CSS Positioned Layout 3(Current Work) | 2025-03-10 16:17:00 PDT | fantasai | |
| CSS Positioned Layout 4 | 2024-11-19 14:01:38 PST | dbaron | |
| CSS Presentation Levels 1 | 2018-07-05 19:50:12 PDT | florian | |
| CSS Print Profile | 2023-12-18 12:43:06 PST | fantasai | |
| CSS Pseudo-Elements 4 | 2025-03-24 14:40:42 PDT | fantasai | |
| CSS Regions 1 | 2024-01-24 06:55:31 PST | chrisl | |
| CSS Rhythmic Sizing 1 | 2024-12-12 21:14:24 PST | fantasai | |
| CSS Round Display 1 | 2025-03-10 14:20:39 PDT | flackr | |
| CSS Ruby 1 | 2024-07-15 02:01:21 PDT | fuqiao_xue | |
| CSS Scoping 1 | 2025-01-16 02:34:42 PST | keith_cirkel | |
| CSS Scroll Anchoring 1 | 2024-12-03 14:40:33 PST | tabatkins | |
| css-scroll-snap | |||
| CSS Scroll Snap 1(Current Work) | 2025-01-21 16:57:26 PST | flackr | |
| CSS Scroll Snap 2 | 2024-12-16 11:50:32 PST | DavMila | |
| CSS Scrollbars 1 | 2024-09-13 00:42:18 PDT | florian | |
| CSS Shadow Parts 1 | 2025-03-06 16:01:20 PST | tabatkins | |
| css-shapes | |||
| CSS Shapes 1(Current Work) | 2025-02-04 12:06:15 PST | Guillaume | |
| CSS Shapes 2 | 2025-03-10 14:18:20 PDT | noamr | |
| CSS Size Adjustment 1 | 2024-01-24 06:55:31 PST | chrisl | |
| css-sizing | |||
| CSS Sizing 3(Current Work) | 2024-07-25 12:12:32 PDT | dbaron | |
| CSS Sizing 4 | 2025-03-28 16:29:26 PDT | fantasai | |
| css-snapshot | |||
| CSS 2007 | 2015-11-05 03:34:03 PST | fantasai | |
| CSS 2010 | 2015-11-05 03:34:03 PST | fantasai | |
| CSS 2015 | 2023-08-28 12:44:59 PDT | fantasai | |
| CSS 2017 | 2023-08-28 12:44:59 PDT | fantasai | |
| CSS 2018 | 2023-08-28 12:44:59 PDT | fantasai | |
| CSS 2020 | 2025-01-29 14:21:10 PST | chrisl | |
| CSS 2021 | 2025-01-29 14:21:10 PST | chrisl | |
| CSS 2022 | 2025-01-29 14:21:10 PST | chrisl | |
| CSS 2023 | 2025-01-29 14:21:10 PST | chrisl | |
| CSS 2024 | 2025-02-27 23:08:40 PST | bartolom__sintes | |
| CSS 2025(Current Work) | 2025-02-27 09:06:23 PST | bartolom__sintes | |
| CSS Speech 1 | 2024-10-29 11:30:22 PDT | keith_cirkel | |
| CSS Style Attributes 1 | 2024-03-04 22:27:21 PST | chrisl | |
| CSS Syntax 3 | 2024-11-20 13:14:05 PST | chrisl | |
| CSS Tables 3 | 2024-08-01 05:07:09 PDT | chrisl | |
| CSS Template Layout 1 | 2024-03-04 22:27:21 PST | chrisl | |
| css-text | |||
| CSS Text 3(Current Work) | 2025-03-24 14:31:07 PDT | fantasai | |
| CSS Text 4 | 2025-03-24 14:31:07 PDT | fantasai | |
| css-text-decor | |||
| CSS Text Decoration 3(Current Work) | 2024-01-24 06:55:31 PST | chrisl | |
| CSS Text Decoration 4 | 2025-01-17 16:36:05 PST | chris_rebert | |
| css-transforms | |||
| CSS Transforms 1(Current Work) | 2025-01-28 18:43:29 PST | dbaron | |
| CSS Transforms 2 | 2024-04-03 08:43:11 PDT | chrisl | |
| css-transitions | |||
| CSS Transitions 1(Current Work) | 2025-03-20 17:53:49 PDT | dbaron | |
| CSS Transitions 2 | 2025-01-28 18:43:29 PST | dbaron | |
| CSS TV 1 | 2018-09-18 06:30:26 PDT | fuqiao_xue | |
| css-ui | |||
| CSS User Interface 3 | 2023-02-27 12:27:44 PST | tabatkins | |
| CSS User Interface 4(Current Work) | 2025-04-14 07:44:21 PDT | ntim | |
| css-values | |||
| CSS Values 3 | 2025-03-04 10:53:06 PST | Guillaume | |
| CSS Values 4(Current Work) | 2025-03-04 10:53:06 PST | Guillaume | |
| CSS Values & Units 5 | 2025-04-08 13:59:47 PDT | tabatkins | |
| css-variables | |||
| CSS Variables 1(Current Work) | 2025-02-21 17:14:58 PST | tabatkins | |
| CSS Variables 2 | 2025-02-10 14:56:52 PST | tabatkins | |
| css-view-transitions | |||
| CSS View Transitions 1(Current Work) | 2025-03-23 04:48:50 PDT | bramus_ | |
| CSS View Transitions 2 | 2025-03-22 12:49:21 PDT | bramus_ | |
| CSS Viewport 1 | 2024-10-29 07:36:31 PDT | amenard | |
| CSS Will Change 1 | 2022-04-29 13:00:42 PDT | chrisl | |
| css-writing-modes | |||
| CSS Writing Modes 3 | 2025-03-24 14:02:15 PDT | fantasai | |
| CSS Writing Modes 4(Current Work) | 2025-03-24 14:02:15 PDT | fantasai | |
| CSS 2 | 2025-02-13 05:09:35 PST | fantasai | |
| CSSOM 1 | 2025-03-24 05:17:48 PDT | SebastianZ | |
| CSSOM View Module 1 | 2025-02-21 09:45:04 PST | flackr | |
| mediaqueries | |||
| Media Queries 3 | 2024-05-21 01:16:26 PDT | florian | |
| Media Queries 4(Current Work) | 2024-01-24 06:55:31 PST | chrisl | |
| Media Queries 5 | 2024-11-15 13:04:43 PST | chrisl | |
| Resize Observer 1 | 2023-01-27 05:48:16 PST | oriol | |
| Scroll-driven Animations 1 | 2025-03-25 11:34:17 PDT | bramus_ | |
| selectors | |||
| Selectors 3 | 2025-03-31 12:03:49 PDT | SebastianZ | |
| Selectors 4(Current Work) | 2025-03-24 13:02:36 PDT | fantasai | |
| Selectors 5 | 2024-09-23 17:51:47 PDT | tabatkins | |
| Non-element Selectors 1 | 2024-01-24 06:55:31 PST | chrisl | |
| web-animations | |||
| Web Animations 1 | 2025-01-30 17:38:22 PST | brian_birtles__via_travis_ | |
| Web Animations 2(Current Work) | 2025-03-27 12:59:10 PDT | ydaniv | |
| Other Documents | Last Update | By | |
|---|---|---|---|
| .github/PULL_REQUEST_TEMPLATE | 2018-07-25 15:19:12 PDT | fantasai | |
| CODE_OF_CONDUCT | 2018-07-25 14:21:21 PDT | fantasai | |
| CONTRIBUTING | 2024-02-29 13:31:02 PST | tabatkins | |
| LICENSE | 2017-06-08 08:37:03 PDT | plh | |
| README | 2020-12-02 16:08:50 PST | plinss | |
| css-contain-4/scroll_state_explainer | 2024-06-14 06:11:03 PDT | florian | |
| css-floats-3/float-notes | 2017-10-11 14:47:55 PDT | tabatkins | |
| css-module/ | 2023-07-02 16:08:00 PDT | dbaron | |
| indexes/ | 2024-07-24 08:27:39 PDT | chrisl | |
| issues.html | 2024-02-16 07:54:48 PST | lea | |
| snapshot-2017-modules | 2017-01-26 09:01:21 PST | Nantonos | |
| web-animations-css-integration/ | 2015-01-16 02:49:34 PST | sstephen2 | |
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