The admin bar height custom property is used in `calc` functions, which require consistent unit use, even when the value is zero. A unitless value returns an invalid value for the "height" property, where this variable is used. This also changes the stylelint rule in the theme to allow zero values with a unit, just in custom properties.
Props nico23.
Fixes#52564.
Built from https://develop.svn.wordpress.org/trunk@50388
git-svn-id: http://core.svn.wordpress.org/trunk@49999 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In addition to syncing the latest changes, this change also merges the theme’s `.scss` files and other related build tool configurations required to compile the theme’s CSS.
This will allow development of the theme to continue on Trac after 5.6 is released and the GitHub repository is archived.
For a full list of changes since [], see e7d5991...aa284fd.
Props poena, luminuu kjellr, aristath, justinahinon.
See #51526.
Built from https://develop.svn.wordpress.org/trunk@49574
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