[gnome-panel] remove menu-bar and user-menu applet background color

[Alberts Muktupāvels <muktupavels src gnome org>]

commit c2661fe5a9d938747aa29a0bcb55c36d36a55012
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Mon Apr 13 19:28:36 2015 +0300

    remove menu-bar and user-menu applet background color
    
    Commit 426146f802e3e9c949b5240b4732ca41ad6e551c was not enough
    to make menu-bar and user-menu applets fully transparent.

 gnome-panel/gnome-panel.css |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gnome-panel/gnome-panel.css b/gnome-panel/gnome-panel.css
index c9c8015..bf51ed8 100644
--- a/gnome-panel/gnome-panel.css
+++ b/gnome-panel/gnome-panel.css
@@ -7,6 +7,7 @@ PanelApplet > GtkMenuBar.menubar,
 ClockBox {
        font: bold;
        color: @theme_unfocused_fg_color;
+       background: transparent;
 }
 
 .gnome-panel-menu-bar,