html-heading-tag Run

Code: Html | Auth: 03cd82 
<!DOCTYPE html>
<html>
    <head>
          <title>Học HTML tại snvn.net</title>
          <meta charset="UTF-8">
    </head>
    <body>
            <h1>Heading no. 1</h1>  
			<h2>Heading no. 2</h2>  
			<h3>Heading no. 3</h3>  
			<h4>Heading no. 4</h4>  
			<h5>Heading no. 5</h5>  
			<h6>Heading no. 6</h6>  
    </body>
</html>