index.html

<html>
<head>
    <script src="//unpkg.com/angular@1.6.4/angular.js"></script>
    <link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet"
          integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous">
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"
          integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
    <link rel="stylesheet" href="styles/app.css">
</head>
<body>
    <!-- the app will fill this ui-view -->
    <ui-view></ui-view>

    <!-- load webpack bundles in body tag after document.body is ready -->
    <script src="_bundles/vendor.bundle.js"></script>
    <script src="_bundles/sampleapp.js"></script>
</body>
</html>