[gnome-themes-standard] Restore inset style for inline toolbars

[Paolo Borelli <pborelli src gnome org>]

commit 636c05f89bddafd95bdfbe38d1632d1856db189e
Author: Paolo Borelli <pborelli gnome org>
Date:   Sat Oct 12 19:30:55 2013 +0200

    Restore inset style for inline toolbars
    
    https://bugzilla.gnome.org/show_bug.cgi?id=710000

 themes/Adwaita/gtk-3.0/gtk-widgets-backgrounds.css |   21 ++++++++++++-------
 1 files changed, 13 insertions(+), 8 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets-backgrounds.css 
b/themes/Adwaita/gtk-3.0/gtk-widgets-backgrounds.css
index 82c468b..fb3aa21 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets-backgrounds.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets-backgrounds.css
@@ -199,24 +199,29 @@ GtkComboBox.combobox-entry .button:insensitive:backdrop,
 }
 
 
-/* Primary and inline toolbars background */
-.primary-toolbar .toolbar,
-.primary-toolbar.toolbar,
+/* Inline toolbars background */
 .inline-toolbar.toolbar  {
+    background-image: linear-gradient(to bottom,
+                                      @toolbar_gradient_a,
+                                      @toolbar_gradient_b 20%,
+                                      @toolbar_gradient_c
+                                      );
     background-color: transparent;
 }
 
-.primary-toolbar .toolbar.vertical,
-.primary-toolbar.toolbar.vertical,
 .inline-toolbar.toolbar.vertical {
+    background-image: linear-gradient(to right,
+                                      @toolbar_gradient_a,
+                                      @toolbar_gradient_b 20%,
+                                      @toolbar_gradient_c
+                                      );
     background-color: transparent;
 }
 
-/* Unfocused window primary and inline toolbars background */
-.primary-toolbar .toolbar:backdrop,
-.primary-toolbar.toolbar:backdrop,
+/* Unfocused window inline toolbars background */
 .inline-toolbar.toolbar:backdrop  {
     background-image: none;
+    background-color: @unfocused_dark_bg;
 }
 
 .scale.trough {