[gnome-themes-standard] Fix window close button

[William Jon McCann <mccann src gnome org>]

commit b9f691a71959ff299b906f6b68b5a5e560e5553a
Author: William Jon McCann <william jon mccann gmail com>
Date:   Tue May 6 18:10:12 2014 -0400

    Fix window close button

 themes/Adwaita/gtk-3.0/gtk-widgets.css |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets.css b/themes/Adwaita/gtk-3.0/gtk-widgets.css
index a91be6a..650e470 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets.css
@@ -4759,10 +4759,11 @@ GtkPopover .separator {
     padding: 5px 5px 6px 5px;
 
     border-radius: 3px;
-    border-width: 1px 1px 2px 1px;
+    border-width: 0 0 1px;
     border-color: transparent;
     border-style: solid;
     border-image: none;
+    box-shadow: none;
 }
 
 .titlebar .titlebutton:backdrop {