diff --git a/index_main.php b/index_main.php
index c9dabe2..fe5bf4a 100644
--- a/index_main.php
+++ b/index_main.php
@@ -1,7 +1,9 @@
 <!DOCTYPE html>
 <html>
 <head>
+  <meta charset="utf-8"/>
   <title>BlackBerry/TCL Firmware List</title>
+  <meta name="viewport" content="width=device-width, initial-scale=1"/>
   <link rel="stylesheet" href="node_modules/material-components-web/dist/material-components-web.css"/>
   <link rel="stylesheet" href="assets/material-icons.css"/>
   <link rel="stylesheet" href="assets/style.css"/>
