[gnome-themes-standard] slider: ensure we don't render a line on the slider

[Cosimo Cecchi <cosimoc src gnome org>]

commit 78b47f883dde22951348acfe364807373807fea6
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Fri Sep 2 16:21:46 2011 -0400

    slider: ensure we don't render a line on the slider

 themes/Adwaita/gtk-3.0/gtk-widgets.css |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets.css b/themes/Adwaita/gtk-3.0/gtk-widgets.css
index b3905af..209d8a7 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets.css
@@ -312,6 +312,7 @@ GtkScale.slider:insensitive {
     border-radius: 0;
     border-style: none;
 
+    color: alpha(@theme_base_color, 0.0);
     background-color: alpha(@theme_base_color, 0.0);
 
     /* background-image in -assets variant */