diff --git a/lib/index.html b/lib/index.html
index 7ccfd36..13ab9dc 100755
--- a/lib/index.html
+++ b/lib/index.html
@@ -1,15 +1,17 @@
-<!doctype html>
+<!DOCTYPE html>
 
-<html lang="en-US">
+<html lang="en">
   <head>
-    <link rel="stylesheet" href="styles/style.css" />
+    <link rel="stylesheet" type="text/css" href="styles/style.css">
     <meta charset="utf-8" />
-    <meta name="viewport" content="width=device-width" />
+    <meta name="main-index" content="width=device-width" />
   </head>
 
   <script src="_.js"></script>
   
   <body>
-
+    <main>
+    
+    </main>
   </body>
-</html>
\ No newline at end of file
+</html>
