[extensions-web] css: define version in comment to be able to change hash of file

[Yuri Konotopov <ykonotopov src gnome org>]

commit 23c06f6a14a6fef300a9ecbc96973bac381ed5df
Author: Yuri Konotopov <ykonotopov gnome org>
Date:   Sun Feb 12 10:09:10 2017 +0400

    css: define version in comment to be able to change hash of file

 sweettooth/static/css/style.css |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/sweettooth/static/css/style.css b/sweettooth/static/css/style.css
index 781b9a3..b089e55 100644
--- a/sweettooth/static/css/style.css
+++ b/sweettooth/static/css/style.css
@@ -3,7 +3,7 @@ Theme Name: GNOME Grass
 Theme URI: http://gnome.org/
 Author: Vinicius Depizzol <vdepizzol gmail com>
 Description: The original theme for the GNOME Project website.
-
+Version: 20160212
 */