[gnome-boxes] Fix Continue style when insensitive

[Marc-Andre Lureau <malureau src gnome org>]

commit d8561c75ecac1354f664dde6d6ffc7a29ec5d2d9
Author: Marc-Andrà Lureau <marcandre lureau gmail com>
Date:   Fri Nov 4 12:30:33 2011 +0100

    Fix Continue style when insensitive

 data/gtk-style.css |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/data/gtk-style.css b/data/gtk-style.css
index ab25927..cd10634 100644
--- a/data/gtk-style.css
+++ b/data/gtk-style.css
@@ -50,3 +50,6 @@
                                      from (@boxes_selected_color),
                                      to (darker (@boxes_selected_color)));
 }
+.boxes-continue:insensitive {
+    background-image: none;
+}