In my template I have a custom menu. Below is the HTML code for it. Inside the menu there is one dropdown menu and a link tag.
<ul class="nav navbar-nav">
<li class="active"><a href="index.html">Home</a></li>
<li><a href="category.html">Category Page</a></li>
<li><a href="article.html">Article Page</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown"> Category Type A <span class="caret"></span></a>
<ul class="dropdown-menu forAnimate" role="menu">
<li><a href="#">Category One</a></li>
<li><a href="#">Category Two</a></li>
<li><a href="#">Category Three</a></li>
</ul>
</li>
</ul>