[libadwaita] (19 commits) Non-fast-forward update to branch wip/exalm/background-colors

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/background-colors' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  5238408... Use dark_fill for the scrollbar bg color
  b76b010... stylesheet: Use opacity for scrollbar slider states
  0df3bbf... stylesheet: Inline scrollbar colors
  597b086... stylesheet: Remove insensitive osd entry style
  24c1e7e... stylesheet: Simplify osd color
  1e79e77... stylesheet: Redo osd buttons
  622f134... stylesheet: Fix caret color
  e7166cb... stylesheet: Remove a redundant insensitive style from calen
  2020490... entry: Use opacity for icons
  80bd5e2... stylesheet: Simplify tree headers
  59dceff... stylesheet: Remove unused mixins
  027841d... stylesheet: Remove .content-view
  57285e0... stylesheet: Redo GtkExpander hover
  2bc1356... stylesheet: Refactor .content row colors
  51343ed... stylesheet: Update .content row hover/active
  e7b1095... stylesheet: Explicitly set color in popovers
  2f6ca4d... stylesheet: Apply headerbar border opacity separately
  61cbdbe... tmp

Commits added to the branch:

  a506aa0... stylesheet: Use dark_fill for the scrollbar bg color
  19ddd45... stylesheet: Use opacity for scrollbar slider states
  c239c9d... stylesheet: Inline scrollbar colors
  a18f028... stylesheet: Remove insensitive osd entry style
  55b3737... stylesheet: Simplify osd color
  c8916a7... stylesheet: Redo osd buttons
  4306f0e... stylesheet: Fix caret color
  e33c151... stylesheet: Remove a redundant insensitive style from calen
  1952bad... entry: Use opacity for icons
  3e32cf0... stylesheet: Simplify tree headers
  7f5f65e... stylesheet: Remove unused mixins
  8da2124... stylesheet: Remove .content-view
  57eeea7... stylesheet: Redo GtkExpander hover
  9850275... stylesheet: Refactor .content row colors
  6a6a944... stylesheet: Update .content row hover/active
  78d325e... stylesheet: Explicitly set color in popovers
  a9c306f... stylesheet: Apply headerbar border opacity separately
  140b825... stylesheet: Explicitly reset flat header bar color
  3551a3a... tmp