[libadwaita] (13 commits) Created branch wip/exalm/accent

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/accent' was created.

Summary of new commits:

  f543794... stylesheet: Rename selected_bg/fg_color to accent_color/tex
  30c9b53... stylesheet: Drop an unused color
  306d892... tmp: Add a button demo
  047fe4f... stylesheet: Rework filled button states again
  aba4214... stylesheet: Use lighter hover for fills as well
  b94aa62... stylesheet: Make sure switch and progress bar recoloring wo
  bc02f79... stylesheet: Ensure menus are recolorable
  9f04243... stylesheet: Don't add background to message dialog headers
  dbe2199... stylesheet: Unify accent, destructive, success, warning, er
  8fa22f2... stylesheet: Expose all the overridable colors publicly
  aa342a9... stylesheet: Consistently use gtkalpha()
  67527a8... stylesheet: Add and use gtkmix()
  dd5ef50... stylesheet: Implement recoloring for accent and a few other