[gnome-documents] style: Fix invalid use of 'font' shorthand

[Florian Müllner <fmuellner src gnome org>]

commit 4493d10b2887a280de0debc15dd371c4d409c489
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed May 11 18:55:12 2016 +0200

    style: Fix invalid use of 'font' shorthand
    
    The 'font' shorthand requires at least 'font-family' and 'font-size'
    according to the spec, and recent GTK+ versions no longer accept it
    without a family/size.

 data/application.css |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/application.css b/data/application.css
index 5ffdc2a..61afab7 100644
--- a/data/application.css
+++ b/data/application.css
@@ -45,7 +45,7 @@ GdMainIconView.content-view.cell:active {
     background-size: contain;
     background-color: transparent;
     color: @theme_base_color;
-    font: bold;
+    font-weight: bold;
 }
 
 .documents-favorite.button:active,