index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>User-list</title>
    <link href="App.css">
    <link rel="stylesheet" type="text/css" href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.min.css">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css"
    integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
</head>
<body>
    <div class="container bootstrap snippets bootdey">
        <div class="header">
            <h3 class="text-muted prj-name">
                <hr>
                <span  class="fa fa-users fa-2x"></span>
                Users
            </h3>
        </div>

        <div class="jumbotron" style="min-height:400px;height:auto;">
            <ul class="list-group">
                <!-- <li class="list-group-item user-item text-left">
                    <img class="img-circle img-user img-thumbnail "
                        src="https://bootdey.com/img/Content/avatar/avatar7.png">
                    <h3>
                        <a href="#">Bootdey bootstrap</a><br>
                    </h3>
                </li> -->

            </ul>
    </div>

    <script src="APP.JS"></script>
</body>
</html>