diff --git a/html/header.html b/html/header.html
index 09b3cd8..76d4cdc 100644
--- a/html/header.html
+++ b/html/header.html
@@ -48,7 +48,7 @@
             text-align: center;
         }
 
-        @media only screen and (max-device-width: 600px) {
+        @media only screen and (max-width: 1000px) {
             body {
                 margin: 0 1em 0 1em;
                 font-size: 3em;