[gnome-builder] style: fix adwaita notebook header with no documents open

[Christian Hergert <chergert src gnome org>]

commit 326a499e9435a85c923c9f8d6804eb64a25b691d
Author: Christian Hergert <christian hergert me>
Date:   Tue Sep 15 23:11:03 2015 -0700

    style: fix adwaita notebook header with no documents open

 data/theme/Adwaita-shared.css |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/theme/Adwaita-shared.css b/data/theme/Adwaita-shared.css
index afa9bf4..0ee0605 100644
--- a/data/theme/Adwaita-shared.css
+++ b/data/theme/Adwaita-shared.css
@@ -57,7 +57,7 @@ GbViewStack > GtkBox.vertical > GtkBox.header.notebook.horizontal > GtkBox.horiz
   box-shadow: 0px 0px 0px;
   margin: 0px;
   opacity: 0.55;
-  padding: 4px;
+  padding: 6px 4px;
 }
 GbWorkspacePane > GtkBox.vertical > GtkBox.notebook.header > GtkStackSwitcher > .button {
   background-image: none;