[gnome-photos] theme: Add missing colour definitions

[Debarshi Ray <debarshir src gnome org>]

commit c42da773f596a99899a1422a22ef0f616de6f6d8
Author: Debarshi Ray <debarshir gnome org>
Date:   Thu Jul 24 14:10:32 2014 +0200

    theme: Add missing colour definitions
    
    Fixes: https://bugzilla.gnome.org/733011

 data/Adwaita.css |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/data/Adwaita.css b/data/Adwaita.css
index 8ee8739..80b17c4 100644
--- a/data/Adwaita.css
+++ b/data/Adwaita.css
@@ -1,3 +1,7 @@
+ define-color theme_base_color #333333;
+ define-color theme_bg_color #393f3f;
+ define-color theme_selected_bg_color #3465a4;
+
 @define-color entry_tag_bg #888a85;
 @define-color entry_tag_fg black;
 @define-color photos_collection_bg #000000;