diff --git a/userContent.css b/userContent.css
index f579746274530ddf6e0acad4d84c6f0d065341dc..5d398f61e9889f038234c55920eeb8dff7a20cbb 100644
--- a/userContent.css
+++ b/userContent.css
@@ -4,6 +4,10 @@
     body{ font-weight: 400 !important; /* font-weight 300 makes the text really hard to read */ }
 }
 
+@-moz-document domain(www.univie.ac.at) {
+    body{ font-weight: 400 !important; /* font-weight 300 makes the text really hard to read */ }
+}
+
 @-moz-document domain(www.p-m-a.at) {
 /* this is a nice example for really bad web design: dark grey background with slightly darker grey letters */
   body{ background-color: #FFFFFF !important; background: none; }