问由于某些原因，覆盖twitter引导程序不起作用

EN

<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.2/css/bootstrap.min.css" rel="stylesheet">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/jqueryui/1.10.2/jquery-ui.min.js"></script>
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.2/js/bootstrap.min.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.1/angular.min.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.1/angular-route.min.js"></script>
<script src="js/app.js"></script>
<link href="css/style.css" rel="stylesheet">

.navbar-default {
    background-color: #FDFDFD;
    border-color: #E7E7E7;
}