css-tree: v4.1.0

4.1.0 (2026-09-01)

Features

• add revert-rule CSS-wide keyword (#151) (fed2c33)
• add UnsupportedMatchingTree error for var()/env() matching (#147) (b4b13f5)

Bug Fixes

• allow page margin properties in [@page](https://github.com/page) rules (#143) (9cb5ec4)
• correct [@font-feature-values](https://github.com/font-feature-values) typo in syntax patch (#153) (bfd9b08)
• treat !important as case-insensitive (#152) (d062955)
• update mdn-data (#146) (4a6d09c)
• update mdn-data (#149) (6d26a9f)
• update mdn-data (#150) (471a9c7)
• update mdn-data (#154) (ca24fea)