[gnome-themes-standard] Add a little transition to tab label changes

[William Jon McCann <mccann src gnome org>]

commit 4f152410c1c494a4f617706f9b489b0a4517965d
Author: William Jon McCann <william jon mccann gmail com>
Date:   Fri Jan 24 14:57:15 2014 -0500

    Add a little transition to tab label changes

 themes/Adwaita/gtk-3.0/gtk-widgets.css |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets.css b/themes/Adwaita/gtk-3.0/gtk-widgets.css
index 8603543..a90565e 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets.css
@@ -1825,16 +1825,19 @@ GtkLinkButton.button:active {
 .notebook tab GtkLabel {
     color: mix (@theme_fg_color, @theme_bg_color, 0.40);
     font-weight: bold;
+    transition: all 200ms ease-out;
 }
 
 .notebook .prelight-page,
 .notebook .prelight-page GtkLabel {
     color: mix (@theme_fg_color, @theme_bg_color, 0.15);
+    transition: all 200ms ease-in;
 }
 
 .notebook .active-page,
 .notebook tab .active-page GtkLabel {
     color: @theme_fg_color;
+    transition: all 200ms ease-in;
 }
 
 /* horizontal tabs */