모든 웹 페이지에 viewport 지정

hwe/templates/error.php

@@ -1,7 +1,9 @@
 <!DOCTYPE html>
 <html>
 <head>
-    <meta charset="UTF-8">
+<meta charset="UTF-8">
+<meta http-equiv="X-UA-Compatible" content="ie=edge">
+<meta name="viewport" content="width=device-width, initial-scale=1" />
     <title>에러</title>
 
     <link type="text/css" rel="stylesheet" href='../d_shared/common.css'>