HTMLify

<!DOCTYPE html>
<html lang="en" >
<head>
  <meta charset="UTF-8">
  <title>CodePen - Light/Dark Theme Toggle using CSS and Javascript</title>
  <link rel='stylesheet' href='https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.1/css/all.min.css'><link rel="stylesheet" href="./style.css">

</head>
<body>
<!-- partial:index.partial.html -->
<h1>Light / Dark Toggle<br> Button</h1>

<div>
  <input type="checkbox" class="checkbox" id="checkbox">
  <label for="checkbox" class="checkbox-label">
    <i class="fas fa-moon"></i>
    <i class="fas fa-sun"></i>
    <span class="ball"></span>
  </label>
</div>
<!-- partial -->
  <script  src="./script.js"></script>

</body>
</html>