diff --git a/cao_blogr/__init__.py b/cao_blogr/__init__.py
index 2f3db3f..135730e 100644
--- a/cao_blogr/__init__.py
+++ b/cao_blogr/__init__.py
@@ -11,7 +11,7 @@ def main(global_config, **settings):
     """ This function returns a Pyramid WSGI application.
     """
     # session factory
-    my_session_factory = SignedCookieSessionFactory('mGcAJn2HmNH6Hc')
+    my_session_factory = SignedCookieSessionFactory('4Dvw5rHvAPmZtb')
     authentication_policy = AuthTktAuthenticationPolicy('wMWvAWMZnp6Lch', 
                             callback=groupfinder, hashalg='sha512', timeout=36000)
     authorization_policy = ACLAuthorizationPolicy()
diff --git a/cao_blogr/static/img/Pleine et claire conscience.png b/cao_blogr/static/img/Pleine et claire conscience.png
index 1e6167e..b0b4126 100644
Binary files a/cao_blogr/static/img/Pleine et claire conscience.png and b/cao_blogr/static/img/Pleine et claire conscience.png differ
diff --git a/cao_blogr/static/img/hai-dao-tu-than.png b/cao_blogr/static/img/hai-dao-tu-than.png
index 31c668c..3830c50 100644
Binary files a/cao_blogr/static/img/hai-dao-tu-than.png and b/cao_blogr/static/img/hai-dao-tu-than.png differ
diff --git a/cao_blogr/static/theme.css b/cao_blogr/static/theme.css
index f15781d..f5e1599 100644
--- a/cao_blogr/static/theme.css
+++ b/cao_blogr/static/theme.css
@@ -3,7 +3,7 @@
 
 body {
   font: 100 18px/24px "Source Serif Pro", serif;
-  color: #4e545f;
+  color: rgb(90, 89, 89);
 }
 .monospace-font {
 	font-family: Monaco, "Courier New", Courier, monospace;