diff --git a/contrib/static/site.css b/contrib/static/site.css
index 2927317..3957e08 100644
--- a/contrib/static/site.css
+++ b/contrib/static/site.css
@@ -106,7 +106,7 @@ th {
 
 body {
     color: #ededed;
-    background-image: url("/static/img/bg.jpg");
+    background: url("/static/img/bg.jpg");
     background-size: 100% 100%;
     font-family: arial,helvetica,sans-serif;
     font-size: 10pt;