vi-du-cau-truc-the-html Run

Code: Html | Auth: 03cd82 
<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title></title>
</head>
<body>
	<h1 align="center">Hello SNVN.net</h1>
 	<h2>Happy new year 2021</h2>
</body>
</html>