index.html

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8">
  <title>particles.js</title>
  <meta name="description" content="particles.js is a lightweight JavaScript library for creating particles.">
  <meta name="author" content="Vincent Garreau" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">
  <link rel="stylesheet" media="screen" href="main.css">
</head>

<body>

  <!-- particles.js container -->
  <div id="particles-js"></div>

  <!-- scripts -->
  <script src="particles.min.js"></script>
  <script src="deepMerge.js"></script>
  <script src="main.js"></script>

</body>

</html>