diff --git a/index.html b/index.html
index b009ecd..1250aa4 100644
--- a/index.html
+++ b/index.html
@@ -19,6 +19,7 @@
 </head>
 
 <body>
+    <script>var this_makes_firefox_wait_for_css_to_load;</script>
     <div id="bg"></div>
     <div id="bordeur"></div>
     <main>
