diff --git a/contrib/static/krane.css b/contrib/static/krane.css
index d2ced68..f97c113 100644
--- a/contrib/static/krane.css
+++ b/contrib/static/krane.css
@@ -555,3 +555,7 @@ background-repeat: repeat;
     font-size: 24pt;
     float: right;
 }
+
+.mod {
+  display: none;
+}
\ No newline at end of file