[gtk+] Fix CSS warnings in win32 theme

[Benjamin Otte <otte src gnome org>]

commit ea9b99235172791674572445a7731353b67ad6b7
Author: Jaime Velasco Juan <jsagarribay gmail com>
Date:   Thu Oct 13 12:27:43 2016 +0100

    Fix CSS warnings in win32 theme
    
    https://bugzilla.gnome.org/show_bug.cgi?id=773221

 gtk/theme/win32/gtk-win32-base.css |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/theme/win32/gtk-win32-base.css b/gtk/theme/win32/gtk-win32-base.css
index 7532e1c..57bb53a 100644
--- a/gtk/theme/win32/gtk-win32-base.css
+++ b/gtk/theme/win32/gtk-win32-base.css
@@ -114,7 +114,7 @@ tooltip, tooltip.background {
 }
 
 assistant .sidebar .highlight {
-    font: bold;
+    font-weight: bold;
     color:  -gtk-win32-color(button, captiontext);
 }
 
@@ -1260,7 +1260,7 @@ menu * {
 
 GtkAssistant .sidebar .highlight {
     background-color: gray;
-    font: bold;
+    font-weight: bold;
 }
 
 GtkAssistant .sidebar {