diff --git a/contrib/static/krane.css b/contrib/static/krane.css
index c0c70c8..965fc55 100644
--- a/contrib/static/krane.css
+++ b/contrib/static/krane.css
@@ -436,6 +436,7 @@ background-repeat: repeat;
 /** another mod */
 [data-pubkey~="f59602a8497d21c0bda92c01cf33d1d0b2e41d5065eebcafdcbf99f973d1c105"]{
     background-image: url('/static/mgs_mod.png');
+    background-size: 100%;
     background-repeat: no-repeat;
     background-position: right bottom;
 }