/css/demo.css" type="text/css">
    <link href="https://fonts.googleapis.com/icon?family=Material+Icons+Round" rel="stylesheet">

    <link href="https://fonts.googleapis.com/css?family=Roboto:300,400,500,700|Roboto+Slab:400,700" rel="stylesheet">

    <link href="../../assets/css/nucleo-icons.css" rel="stylesheet">

    <script src="https://kit.fontawesome.com/42d5adcbca.js" crossorigin="anonymous"></script>
    <!-- Anti-flicker snippet (recommended)  -->
    <style>
      .async-hide {
        opacity: 0