[gtk/revert-b25bc36d] Revert "Merge branch 'wip/muktupavels/solid-csd' into 'master'"

[Matthias Clasen <matthiasc src gnome org>]

commit 4d8ea6edf541ef24eaae6dedcc9c112d9d16a141
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Apr 22 10:48:29 2021 +0000

    Revert "Merge branch 'wip/muktupavels/solid-csd' into 'master'"
    
    This reverts merge request !3460

 gtk/theme/Default/_common.scss | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)
---
diff --git a/gtk/theme/Default/_common.scss b/gtk/theme/Default/_common.scss
index 709a9bd61c..83692f5e97 100644
--- a/gtk/theme/Default/_common.scss
+++ b/gtk/theme/Default/_common.scss
@@ -4068,16 +4068,16 @@ window {
       box-shadow: 0 1px 2px transparentize(black, 0.8),
                   0 0 0 1px transparentize($_wm_border, 0.1);
     }
-  }
 
-  &.solid-csd {
-    margin: 0;
-    padding: 4px;
-    border: solid 1px $borders_color;
-    border-radius: 0;
-    box-shadow: inset 0 0 0 4px $borders_color, inset 0 0 0 3px $headerbar_bg_color, inset 0 1px 
$top_hilight;
+    &.solid-csd {
+      margin: 0;
+      padding: 0;
+      border: solid 1px $borders_color;
+      border-radius: 0;
+      box-shadow: inset 0 0 0 3px $headerbar_bg_color, inset 0 1px $top_hilight;
 
-    &:backdrop { box-shadow: inset 0 0 0 4px $borders_color, inset 0 0 0 3px $backdrop_bg_color, inset 0 1px 
$top_hilight; }
+      &:backdrop { box-shadow: inset 0 0 0 3px $backdrop_bg_color, inset 0 1px $top_hilight; }
+    }
   }
 
   &.maximized,