diff --git a/dialog.html b/dialog.html
index 29e5780..045f879 100644
--- a/dialog.html
+++ b/dialog.html
@@ -2,6 +2,7 @@
 <html>
 	<head>
 		<meta charset="utf-8">
+		<meta name="viewport" content="width=device-width, initial-scale=1">
 	</head>
 	<body>
 		<fieldset>
