Bootstrap 3 dropdowns

<!DOCTYPE html>
<title>My Example</title>

<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<div class="container-fluid">
		
<div class="dropdown">
<button class="btn btn-primary dropdown-toggle" type="button" id="about-us" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
About Us
<span class="caret"></span>
</button>
<ul class="dropdown-menu" aria-labelledby="about-us">
<li><a href="#">Our Story</a></li>
<li><a href="#">Our Team</a></li>
<li><a href="#">Contact Us</a></li>
</ul>
</div>

</div>
		

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>

<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>

<script>
// Initialize tooltip component
$(function () {
  $('[data-toggle="tooltip"]').tooltip()
})

// Initialize popover component
$(function () {
  $('[data-toggle="popover"]').popover()
})
</script>