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<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap Example</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/js/bootstrap.min.js"></script> </head> <body> <h1> This is heading 1 in Bootstrap.<small> This is secondary heading. </small> </h1> <h2> This is heading 2 in Bootstrap.<small> This is secondary heading. </small> </h2> <h3> This is heading 3 in Bootstrap.<small> This is secondary heading. </small> </h3> <h4> This is heading 4 in Bootstrap.<small> This is secondary heading. </small> </h4> <h5> This is heading 5 in Bootstrap.<small> This is secondary heading. </small> </h5> <h6> This is heading 6 in Bootstrap.<small> This is secondary heading. </small> </h6> </body> </html>
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