We could do something more complex and compute the height of the
available space, but a fixed height is a reasonable solution with
a fraction of the complexity.
Bug: T328048
Change-Id: I0b7bfa55f23afc16be43b85270666ec6a480ca32
Accounts for the use of CSS Grid in Vector 2022, in
the 2017 Wikitext editor preview, by placing the heading and
content in named grid areas (`titlebar` and `content`).
Bug: T327778
Change-Id: I66a30e282e808559b4f375f5924ae0d945c058a9
With related changes to the DOM in the new Vector skin, most skin
styles are no longer necessary for Vector 2022.
This patch also fixes an issue with the font-size of the toolbar
when $wgVectorTitleAboveTabs = true.
Bug: T310197
Depends-On: Idae6755c90eacaab1a9daa88c6e28850d427810c
Change-Id: I6776f08b24f83cf4daeef70bfdeb73dfeafc785a