[libadwaita] (24 commits) Non-fast-forward update to branch wip/exalm/backdrop

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/backdrop' 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:

  310c05c... stylesheet: Drop backdrop list styles
  7892ab6... stylesheet: Drop searchbar backdrop style
  ccbf924... stylesheet: Remove a redundant backdrop bg color
  fcf017f... stylesheet: Remove treeview backdrop styles
  3224427... stylesheet: Remove redundant popover:backdrop style
  527d0a0... stylesheet: Remove a backdrop-specific rule for notebook
  56d97f3... stylesheet: Use opacity for caps lock indicator instead of 
  33548ad... stylesheet: Drop status page backdrop style
  e764a47... stylesheet: Drop unused backdrop overshoot glow
  782ffa9... stylesheet: Drop scale backdrop specificity bumps
  2f517b6... stylesheet: Remove entry backdrop specificity bumps
  74927f7... stylesheet: Drop backdrop state for selection mode checks
  2f02695... stylesheet: Drop unused backdrop check styles
  fefd2e9... stylesheet: Drop backdrop style for buttons
  d6b1007... stylesheet: Transparentize header bar contents for backdrop
  cc72229... stylesheet: Remove separate header bar border color for bac
  5efd045... stylesheet: Drop public backdrop colors
  19a28a7... stylesheet: Fix shadow transition in dark variant
  42ebc31... stylesheet: Fix window shadows
  3ba1ac3... stylesheet: Inline headerbar_fill()
  6f81be5... stylesheet: Adjust devel header bar gradient
  50a3685... stylesheet: Use a flat gradient for backdrop header bar
  35476ce... stylesheet: Remove redundant header bar rules
  dbedb2b... stylesheet: Make the .devel cog less prominent for backdrop

Commits added to the branch:

  f8a795a... stylesheet: Drop backdrop list styles
  439c342... stylesheet: Drop searchbar backdrop style
  07df821... stylesheet: Remove a redundant backdrop bg color
  3a359b3... stylesheet: Remove treeview backdrop styles
  8ee0b1c... stylesheet: Remove redundant popover:backdrop style
  0b21caf... stylesheet: Remove a backdrop-specific rule for notebook
  23dd5c4... stylesheet: Use opacity for caps lock indicator instead of 
  7b7fb1d... stylesheet: Drop status page backdrop style
  35faf5b... stylesheet: Drop unused backdrop overshoot glow
  a9affe1... stylesheet: Drop scale backdrop specificity bumps
  a88c036... stylesheet: Remove entry backdrop specificity bumps
  fc22675... stylesheet: Drop backdrop state for selection mode checks
  fee74d2... stylesheet: Drop unused backdrop check styles
  c9ab13c... stylesheet: Drop backdrop style for buttons
  e02795d... stylesheet: Transparentize header bar contents for backdrop
  bf2b535... stylesheet: Remove separate header bar border color for bac
  aee7d3f... stylesheet: Drop public backdrop colors
  961bc98... stylesheet: Fix shadow transition in dark variant
  ae3a96f... stylesheet: Fix window shadows
  5a0cd8f... stylesheet: Inline headerbar_fill()
  5a4a971... stylesheet: Adjust devel header bar gradient
  f1fe71e... stylesheet: Use a flat gradient for backdrop header bar
  0a88bda... stylesheet: Remove redundant header bar rules
  0661877... stylesheet: Make the .devel cog less prominent for backdrop