[recipes] Use the right border color for the image viewer

[Matthias Clasen <matthiasc src gnome org>]

commit 4bad590d70f4a21036ed7723bd35b0c69c7981f8
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jan 4 10:55:55 2017 -0500

    Use the right border color for the image viewer
    
    Again, spotted by Lapo.

 src/recipes.css |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/recipes.css b/src/recipes.css
index 765db83..c5c196d 100644
--- a/src/recipes.css
+++ b/src/recipes.css
@@ -33,7 +33,7 @@ image.checkmark:not(.checked) {
 }
 
 image.framed {
-  border: 1px solid #222222;
+  border: 1px solid @borders;
   border-radius: 4px;
 }