[gnome-themes-standard] throughs: less contrasty gradient for a less noisy look

[Jakub Steiner <jimmac src gnome org>]

commit 9181094337f5e51d49eba230f241ff3fb8b9b79b
Author: William Jon McCann <william jon mccann gmail com>
Date:   Mon Nov 4 13:01:13 2013 -0500

    throughs: less contrasty gradient for a less noisy look
    
    - iterated with jimmac.

 themes/Adwaita/gtk-3.0/gtk-widgets-backgrounds.css |   18 ++++++------------
 1 files changed, 6 insertions(+), 12 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets-backgrounds.css 
b/themes/Adwaita/gtk-3.0/gtk-widgets-backgrounds.css
index fb3aa21..7d92c03 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets-backgrounds.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets-backgrounds.css
@@ -27,19 +27,13 @@
 .trough.highlight,
 .trough row,
 .trough row:hover {
+    box-shadow: inset 0 1px 1px alpha(black, 0.1);
+    /*  background-color: mix(@borders, @theme_bg_color, 0.5); */
     background-image: linear-gradient(to bottom,
-                                      @borders,
-                                      shade(@theme_bg_color, 0.95)
-                                      );
-    background-color: transparent; 
-}
-
-/* Flipped pushed button background for vertical progressbar through and the like */
-.trough.vertical {
-    background-image: linear-gradient(to right,
-                                      @borders,
-                                      shade(@theme_bg_color, 0.95)
-                                      );
+                                  shade(@toolbar_gradient_a, 0.95),
+                                  shade(@toolbar_gradient_b, 0.95) 20%,
+                                  shade(@toolbar_gradient_c, 0.95)
+                                  );
 }
 
 /* Primary and inline toolbars pushed button background */