[gnome-themes-standard] Draw borders correctly on notebook headers

[William Jon McCann <mccann src gnome org>]

commit 4b0326b0f782d8b507b860aeef179691437a8bd5
Author: William Jon McCann <william jon mccann gmail com>
Date:   Fri Oct 4 18:04:12 2013 -0400

    Draw borders correctly on notebook headers

 themes/Adwaita/gtk-3.0/gtk-widgets.css |   29 ++++++++++++++++++++++++++++-
 1 files changed, 28 insertions(+), 1 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets.css b/themes/Adwaita/gtk-3.0/gtk-widgets.css
index a691c9d..55ef90e 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets.css
@@ -1804,8 +1804,35 @@ GtkLinkButton.button:active {
 .notebook.header:backdrop {
     background-color: shade(@theme_bg_color, 0.95);
     box-shadow: inset 0 3px alpha(black, 0.03), inset 0 2px alpha(black, 0.03), inset 0 1px alpha(black, 
0.03);
-    border: 0px;
+    border-width: 0px;
+}
+
+.notebook.header.frame.top,
+.notebook.header.frame.top:backdrop {
+    border-top: 1px solid @borders;
+    border-left: 1px solid @borders;
+    border-right: 1px solid @borders;
+}
+
+.notebook.header.frame.bottom,
+.notebook.header.frame.bottom:backdrop {
+    border-bottom: 1px solid @borders;
+    border-left: 1px solid @borders;
+    border-right: 1px solid @borders;
+}
+
+.notebook.header.frame.left,
+.notebook.header.frame.left:backdrop {
+    border-top: 1px solid @borders;
+    border-bottom: 1px solid @borders;
+    border-left: 1px solid @borders;
+}
+
+.notebook.header.frame.right,
+.notebook.header.frame.right:backdrop {
     border-top: 1px solid @borders;
+    border-bottom: 1px solid @borders;
+    border-right: 1px solid @borders;
 }
 
 .notebook GtkViewport {