[gnome-builder/document-manager] css: remove box shadow from header bar

[Christian Hergert <chergert src gnome org>]

commit fa665a3e1aba14d8aa77adff2dbf85d002e3c5cd
Author: Christian Hergert <christian hergert me>
Date:   Mon Dec 8 17:46:28 2014 -0800

    css: remove box shadow from header bar

 src/resources/css/builder.Adwaita.css |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/resources/css/builder.Adwaita.css b/src/resources/css/builder.Adwaita.css
index 4e9371e..2b4dbdf 100644
--- a/src/resources/css/builder.Adwaita.css
+++ b/src/resources/css/builder.Adwaita.css
@@ -155,6 +155,7 @@ GbCommandBar GtkEntry {
  */
 GbWorkbench GtkHeaderBar {
     border-bottom: none;
+    box-shadow: none;
 }