[gnome-shell] [panel] Use the same fade effects as menus

[Florian Müllner <fmuellner src gnome org>]

commit 7cc1cf3b4af335d617539adfd8d4c4b31233dc70
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Jun 1 17:04:09 2010 +0200

    [panel] Use the same fade effects as menus
    
    Currently, the buttons change their background immediately when
    activated, while the menus fade in quickly - instead, make buttons
    use the same effect as the menus.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=619240

 data/theme/gnome-shell.css |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/theme/gnome-shell.css b/data/theme/gnome-shell.css
index b77782b..9cbd9ef 100644
--- a/data/theme/gnome-shell.css
+++ b/data/theme/gnome-shell.css
@@ -174,6 +174,7 @@ StTooltip {
     border-radius-bottomright: 0px;
     font: 16px sans-serif;
     font-weight: bold;
+    transition-duration: 100;
 }
 
 .panel-button:active, .panel-button:checked, .panel-button:pressed {