<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<h2>Nav-tabs Dropdown <small>Vertical</small></h2>
<p class="lead">Dropdown appears at width less than or equal to 768px</p>
<div class="row">
<div class="col-sm-3">
<a href="#" class="nav-tabs-dropdown btn btn-block btn-primary">Tabs</a>
<ul id="nav-tabs-wrapper" class="nav nav-tabs nav-pills nav-stacked well">
<li class="active"><a href="#vtab1" data-toggle="tab">Tab 1</a></li>
<li><a href="#vtab2" data-toggle="tab">Tab 2</a></li>
<li><a href="#vtab3" data-toggle="tab">Tab 3</a></li>
</ul>
</div>
<div class="col-sm-9">
<div class="tab-content">
<div role="tabpanel" class="tab-pane fade in active" id="vtab1">
<div class="col-sm-12 div-shadow">
<a href="#" class="nav-tabs-dropdown btn btn-block btn-primary">Tabs</a>
<ul id="nav-tabs-wrapper" class="nav nav-tabs nav-tabs-horizontal">
<li class="active"><a href="#htab1" data-toggle="tab">Tab 1</a></li>
<li><a href="#htab2" data-toggle="tab">Tab 2</a></li>
<li><a href="#htab3" data-toggle="tab">Tab 3</a></li>
</ul>
<div class="tab-content">
<div role="tabpanel" class="tab-pane fade in active" id="htab1">
<h3>Tab 1</h3>
<p>Add the class <code>.nav-tabs-horizontal</code> to the tabs list for the dropdown to work with horizontal tabs.
<pre>
<code class="language-html" data-lang="html">
<p><span><</span>a <span style="color: #4f9fcf">href=</span><span style="color: #d44950;">"#"</span> <span style="color: #4f9fcf">class=</span><span style="color: #d44950;">"nav-tabs-dropdown btn btn-block btn-primary"</span><span>></span>Tabs<span><span><</span>/<span>a></span></span><br /><span><span><</span>ul</span> <span style="color: #4f9fcf">id=</span><span style="color: #d44950;">"nav-tabs-wrapper"</span> <span style="color: #4f9fcf">class=</span><span style="color: #d44950;">"nav nav-tabs nav-tabs-horizontal"</span><span>></span></p>
</code>
</pre>