index.html

<!DOCTYPE html>
<html>
    <head>
        <title>Title</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <!-- UIkit CSS -->
        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/uikit@3.16.26/dist/css/uikit.min.css" />
        
        <!-- UIkit JS -->
        <script src="https://cdn.jsdelivr.net/npm/uikit@3.16.26/dist/js/uikit.min.js"></script>
        <script src="https://cdn.jsdelivr.net/npm/uikit@3.16.26/dist/js/uikit-icons.min.js"></script>
    </head>
    <body>
      <h1>Testing :)</h1>
    </body>
</html>