In this example below you will see how to do a Headings with some HTML / CSS and Javascript

This awesome code was written by 204805667, you can see more from this user in the personal repository.
You can find the original code on Codepen.io
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  • HTML
<!DOCTYPE html>
<html lang="en" >

  <meta charset="UTF-8">


  <html>                                       <head>                                         <title>Heading</title>                         </head>                                       <body>                                         <h1>This is heading 1 </h1>                  <h2>This is heading 2 </h2>                   <h3>This is heading 3 </h3>                   <h4>This is heading 4 </h4>                   <h5>This is heading 5 </h5>                   <h6>This is heading 6 </h6>                      </body>                                        </html>