diff --git a/index.html b/index.html
index 29b0951..d701c5c 100644
--- a/index.html
+++ b/index.html
@@ -1,6 +1,9 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Exemplo</title>
     <style>
       body {
         background-color: #fcfcfc;
