diff --git a/index.htm b/index.shtml
similarity index 99%
rename from index.htm
rename to index.shtml
index c5870c4ae..fe572d138 100644
--- a/index.htm
+++ b/index.shtml
@@ -2,6 +2,7 @@
 <html lang="en">
 <head>
 <title>CUCC's Austria expeditions</title>
+<!--#include virtual="../cucc/cucc.css"-->
 </head>
 <body>
 <center><h1>CUCC in Austria 1976-2002</h1></center>
