[w3ctag/design-reviews] Other Spec Review: The revert-rule keyword (Issue #1193)

andruud created an issue (w3ctag/design-reviews#1193)

### Specification

https://drafts.csswg.org/css-cascade-5/#revert-rule-keyword

### Explainer

https://github.com/w3c/csswg-drafts/blob/main/css-cascade-5/revert-rule-explainer.md

### Links

- Web Platform Tests:
[css/css-cascade/revert-rule-basic.tentative.html](https://wpt.fyi/results/css/css-cascade/revert-rule-basic.tentative.html)
[css/css-cascade/revert-rule-important.html](https://wpt.fyi/results/css/css-cascade/revert-rule-important.html)
[css/css-cascade/revert-rule-layer.tentative.html](https://wpt.fyi/results/css/css-cascade/revert-rule-layer.tentative.html)
[css/css-env/env-revert-rule.tentative.html](https://wpt.fyi/results/css/css-env/env-revert-rule.tentative.html)
[css/css-nesting/nesting-revert-rule.tentative.html](https://wpt.fyi/results/css/css-nesting/nesting-revert-rule.tentative.html)
[css/css-values/if-function-revert-rule.tentative.html](https://wpt.fyi/results/css/css-values/if-function-revert-rule.tentative.html)
[css/css-values/attr-revert-rule.tentative.html](https://wpt.fyi/results/css/css-values/attr-revert-rule.tentative.html)
[css/css-variables/revert-rule-in-fallback.tentative.html](https://wpt.fyi/results/css/css-variables/revert-rule-in-fallback.tentative.html)
[css/css-variables/revert-rule-to-var.tentative.html](https://wpt.fyi/results/css/css-variables/revert-rule-to-var.tentative.html)


### The specification

- [x] Follows the [Web Platform Design Principles](https://www.w3.org/TR/design-principles/).
- [x] Includes Security and Privacy Considerations sections based on answers to the [Security/Privacy Questionnaire](https://www.w3.org/TR/security-privacy-questionnaire/).

### Where and by whom is the work is being done?

- GitHub repo: https://github.com/w3c/csswg-drafts
- Primary contacts:
  - @andruud, Chromium (Google)
- Organization/project driving the specification: CSSWG(?)
- Primary standards group developing this feature: CSSWG
- Incubation and standards groups that have discussed the design:
  - Resolution: https://github.com/w3c/csswg-drafts/issues/10443#issuecomment-2627865962


### Feedback so far

- Multi-stakeholder feedback:
  - Chromium comments: N/A
  - Mozilla comments: TODO (Not filed yet.)
  - WebKit comments: TODO (Not filed yet.)
- Major unresolved issues with or opposition to this specification: N/A
- Status/issue trackers for implementations:
  - Chromium issue: https://issues.chromium.org/issues/393582263

### You should also know that...

_No response_

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Received on Thursday, 12 February 2026 12:40:36 UTC