fix background clolor

2016-09-13 10:43:31 +02:00
--- a/_posts/2016-09-13-code-for-ruhr.markdown
+++ b/_posts/2016-09-13-code-for-ruhr.markdown
@@ -1,7 +1,7 @@
 ---
 layout: post
 title: "Code for Ruhrgebiet"
-date: 2016-09-13 10:23:42
+date: 2016-09-13 08:23:42
 categories: Code for Ruhr
 ---

--- a/media/2016-09-13/code-for-ruhr.jpg
+++ b/media/2016-09-13/code-for-ruhr.jpg