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42252 add new relative units ff release #42470

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Merged
dletorey merged 4 commits into from
Dec 22, 2025
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42252 add new relative units ff release #42470

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aecc9d4
added firefox release note for root font based units
dletorey Dec 19, 2025
5194fe8
Merge branch 'mdn:main' into 42252-add-new-relative-units-ff-release
dletorey Dec 19, 2025
7326658
Update files/en-us/mozilla/firefox/releases/147/index.md
dletorey Dec 22, 2025
182c970
Merge branch 'main' into 42252-add-new-relative-units-ff-release
dletorey Dec 22, 2025
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2 changes: 2 additions & 0 deletions files/en-us/mozilla/firefox/releases/147/index.md
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Expand Up @@ -50,6 +50,8 @@ Firefox 147 is the current [Beta version of Firefox](https://www.firefox.com/en-
([Firefox bug 2001878](https://bugzil.la/2001878)).
- The {{cssxref("counter-increment")}}, {{cssxref("counter-reset")}}, {{cssxref("counter-set")}}, and {{cssxref("quotes")}} properties are now supported on the {{cssxref("::marker")}} pseudo-element.
([Firefox bug 2000404](https://bugzil.la/2000404)).
- The following [Relative length units based on root element's font](/en-US/docs/Web/CSS/Reference/Values/length#relative_length_units_based_on_root_elements_font) are now supported: `rcap`, `rch`, `rex`, and `ric`. These units allow you define `<length>` values based upon the the size of a particular character or font attribute of the [root](/en-US/docs/Web/CSS/Reference/Selectors/:root) element.
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([Firefox bug 1740584](https://bugzil.la/1740584)).

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