how to change UI for asp boilerplate code example

Example 1: html boilerplate

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />

        <link rel="stylesheet" href="Index.css" />
        <title>Title</title>
    </head>
    <body>

        <header>
            <h1>>Header</h1>
        </header>

        <script src="Index.js"></script>
    </body>
</html>

Example 2: html boilerplate

<!-- HTML, CSS, JavaScript w/ jQuery -->
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>title</title>
    <style>
      /* CSS */
    </style>
  </head>
  <body>
  <!-- HTML -->
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script>
  <script>
    // JavaScript w/ jQuery
  </script>
  </body>
</html>

Tags:

Html Example