diff --git a/index.html b/index.html
index b31e906..c3452f2 100644
--- a/index.html
+++ b/index.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
     <link rel="stylesheet" href="/style/style.css">
     <link rel="stylesheet" href="https://cdn.rawgit.com/twbs/bootstrap/48938155eb24b4ccdde09426066869504c6dab3c/dist/css/bootstrap.min.css">
     <script src="https://maps.googleapis.com/maps/api/js"></script>
