html code

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Password generator</title>
    <link rel="stylesheet" href="style.css">
    <script type="text/javascript" src="main.js"></script>
</head>
<body>
    <div class="container">

        <h1>Password generator</h1>
        <h2><small>Write the number</small></h2>
      <form>

        <div class="group">
          <input id="number" type="text" required>
          <span class="highlight"></span>
          <span class="bar"></span>
          <label>Number</label>
        </div>


      </form>
    </div>
</body>
</html>