diff --git a/static/index.html b/static/index.html
index eb41e8afd..1e1861639 100644
--- a/static/index.html
+++ b/static/index.html
@@ -86,7 +86,7 @@
             }
             input[type="submit"]::-moz-focus-inner { border: 0 }
             @-moz-document url-prefix() { input[type="submit"] { padding: 7px } }     
-            @media only screen and (min-device-width: 320px) and (max-device-width: 600px) {
+            @media only screen and (min-device-width: 320px) and (max-device-width: 720px) {
               body {
                 background: #bbb;
                 background: -webkit-linear-gradient(#aaa,#eee 60%) center fixed;
@@ -145,4 +145,4 @@
             //start the costum js
             if(typeof costumStart == "function") costumStart();
         </script> 
-</html>
\ No newline at end of file
+</html>