diff --git a/_layouts/core.html b/_layouts/core.html
index cec9b4b..3d24eb4 100644
--- a/_layouts/core.html
+++ b/_layouts/core.html
@@ -8,7 +8,7 @@
    <meta name="author" content="">
 
 	<link rel="stylesheet" href="/css/bootstrap.css" type="text/css" />
-	<link rel="stylesheet" href="/css/k.css" type="text/css" />
+	<link rel="stylesheet" href="/css/21.css" type="text/css" />
    <!-- Le fav and touch icons -->
    <link rel="shortcut icon" href="/favicon.ico">
 
diff --git a/css/k.css b/css/21.css
similarity index 100%
rename from css/k.css
rename to css/21.css