[extensions-web] review: Add +/- to review lines

[Jasper St. Pierre <jstpierre src gnome org>]

commit 1ded9328a2350603a2c1f35831c46d02d0268b80
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Fri Jun 15 16:32:32 2012 -0400

    review: Add +/- to review lines

 sweettooth/static/css/review.css |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/sweettooth/static/css/review.css b/sweettooth/static/css/review.css
index 13a4f76..e4433b4 100644
--- a/sweettooth/static/css/review.css
+++ b/sweettooth/static/css/review.css
@@ -94,6 +94,18 @@
     background-color: #99ff99;
 }
 
+.diff-line.deleted .contents:before {
+    content: '- ';
+}
+
+.diff-line.inserted .contents:before {
+    content: '+ ';
+}
+
+.diff-line.equal .contents:before {
+    content: '  ';
+}
+
 .contents {
     width: 100%;
 }