[gtk/wip/jimmac/adwaita-3-32] Adwaita: move button shadows down a pixel

[Jakub Steiner <jimmac src gnome org>]

commit d295cdb4f8f366ab6399e6a0c01962c06a3d597c
Author: Jakub Steiner <jimmac gmail com>
Date:   Wed Dec 12 10:19:49 2018 +0100

    Adwaita: move button shadows down a pixel
    
    https://gitlab.gnome.org/GNOME/gtk/issues/1510

 gtk/theme/Adwaita/_drawing.scss | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/theme/Adwaita/_drawing.scss b/gtk/theme/Adwaita/_drawing.scss
index 4a8e2ee3ae..8aae16f0f9 100644
--- a/gtk/theme/Adwaita/_drawing.scss
+++ b/gtk/theme/Adwaita/_drawing.scss
@@ -186,7 +186,7 @@
   $_hilight_color: _button_hilight_color($c);
   $_button_edge: if($edge == none, none, _widget_edge($edge));
   $_blank_edge: if($edge == none, none, _widget_edge(transparentize($edge,1)));
-  $_button_outer: 0 0 2px $shadow_color;
+  $_button_outer: 0 1px 2px $shadow_color;
 
   @if $t==normal {
   //