diff --git a/cbox-tree.d/usr/share/cryptobox/templates/footer.cs b/cbox-tree.d/usr/share/cryptobox/templates/footer.cs
index b4fd849..afb8a6b 100644
--- a/cbox-tree.d/usr/share/cryptobox/templates/footer.cs
+++ b/cbox-tree.d/usr/share/cryptobox/templates/footer.cs
@@ -7,6 +7,10 @@
     </div><!-- end of 'words' -->
 
     <div id="footer">
+		<!-- Development or not -->
+		<?cs if:(Data.Status.DevelopmentMode == 1) ?>
+		<div id="development">!Development Mode!</div>
+		<?cs /if ?>
 		<!-- Version -->
 		v0.3&nbsp;&nbsp;
 		<a href="http://cryptobox.org" title="<?cs var:Lang.Text.ProjectHomePage ?>">CryptoBox-Home</a>   <?cs var:Lang.Text.ProjectNote ?>&nbsp;<a href="https://systemausfall.org/senselab" title="systemausfall.org">sense.lab</a>
diff --git a/cbox-tree.d/var/www/cryptobox.css b/cbox-tree.d/var/www/cryptobox.css
index e5b7f5c..a3eb4ef 100644
--- a/cbox-tree.d/var/www/cryptobox.css
+++ b/cbox-tree.d/var/www/cryptobox.css
@@ -71,7 +71,9 @@ body {
 	background-attachment: scroll;
 	background-repeat: no-repeat;
 	}
-
+#development {
+	font-weight: bold;
+}
 
 
 #content {