[gnome-themes-standard] tabs: visual workaround for overshooting border

[Jakub Steiner <jimmac src gnome org>]

commit 8e43d55ced6bc96b12cc4ed5ed1611ffbf3ead20
Author: Jakub Steiner <jimmac gmail com>
Date:   Tue Jan 21 16:09:15 2014 +0100

    tabs: visual workaround for overshooting border
    
    - vertically the tabs' :hover overshoots dialogs
      this workaround makes :hover inset shadow a bit darker so it
      feels to form a border, but still works when neighboring a border

 themes/Adwaita/gtk-3.0/gtk-widgets.css |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets.css b/themes/Adwaita/gtk-3.0/gtk-widgets.css
index 7d3df82..5381a9b 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets.css
@@ -1925,7 +1925,9 @@ GtkLinkButton.button:active {
 .notebook tab.top:hover,
 .notebook tab.bottom:hover {
   background-color: shade(@theme_bg_color, 0.99);
-  box-shadow: inset 0 3px alpha(black, 0.03), inset 0 2px alpha(black, 0.03), inset 0 1px alpha(black, 0.03);
+  box-shadow: inset 0 1px alpha(black, 0.2), 
+              inset 0 3px alpha(black, 0.01), 
+              inset 0 2px alpha(black, 0.01);
 }
 
 .notebook tab.top:active {