[gnome-themes-standard] Use currentColor to set the color property of dim-labels

[Cosimo Cecchi <cosimoc src gnome org>]

commit 9a858754d2d0662f8d176dde1ea092064b516c06
Author: Thomas Wood <thomas wood intel com>
Date:   Fri Aug 30 15:14:19 2013 +0100

    Use currentColor to set the color property of dim-labels
    
    https://bugzilla.gnome.org/show_bug.cgi?id=706408

 themes/Adwaita/gtk-3.0/gtk-widgets.css |   12 ++----------
 1 files changed, 2 insertions(+), 10 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets.css b/themes/Adwaita/gtk-3.0/gtk-widgets.css
index a224323..c013581 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets.css
@@ -4031,16 +4031,8 @@ GtkInfoBar {
  * Dim labels *
  **************/
 .view.dim-label,
-.dim-label,
-.dim-label:hover,
-.dim-label:focus {
-    color: mix (@theme_fg_color, @theme_bg_color, 0.50);
-    text-shadow: none;
-}
-
-.dim-label:selected,
-.dim-label:selected:focus {
-    color: mix (@theme_selected_fg_color, @theme_base_color, 0.50);
+.dim-label {
+    color: alpha(currentColor, 0.55);
     text-shadow: none;
 }