diff --git a/simpledemo.html b/simpledemo.html
index 11086fc..10eb8c3 100644
--- a/simpledemo.html
+++ b/simpledemo.html
@@ -15,8 +15,9 @@ You should have received a copy of the GNU General Public License along with thi
     <meta charset='utf-8'>
     <meta name='viewport' content='width=device-width,initial-scale=1'>
     <meta http-equiv="Content-Security-Policy" content="
-        default-src 'none'; 
-        style-src 'unsafe-inline' https://cdn.jsdelivr.net; 
+        default-src 'self'; 
+        style-src 'self' 'unsafe-inline' https://cdn.jsdelivr.net; 
+        style-src-elem 'self' 'unsafe-inline' https://cdn.jsdelivr.net;
         img-src 'self' http://netspeaker.privacynerd.de https://swetrix.privacynerd.de;
         script-src 'self';
     ">