HTMLify

<!DOCTYPE html>
<html lang="en" >
<head>
  <meta charset="UTF-8">
  <title>CodePen - Buttons popper</title>
  <link rel="stylesheet" href="./style.css">

</head>
<body>
<!-- partial:index.partial.html -->
<div class="wrapper">
  <button data-type="square">Square particles</button>
  <button data-type="emoji">Emoji particles</button>
  <button data-type="mario">Mario particles</button>
  <button data-type="shadow">Shadow particles</button>
  <button data-type="line">Line particles</button>
</div>
<span class="preloader"></span>
<!-- partial -->
  <script  src="./script.js"></script>

</body>
</html>