<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>
<!------ Include the above in your HEAD tag ---------->
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<style>
/* Note: Try to remove the following lines to see the effect of CSS positioning */
.affix {
top: 20px;
}
</style>
</head>
<body>
<div class="container-fluid" style="background-color:#2196F3;color:#fff;height:200px;">
<h1>Bootstrap Affix Example</h1>
<h3>Fixed (sticky) vertical sidenav on scroll</h3>
<p>Scroll this page to see how the left navigation menu behaves with data-spy="affix".</p>
<p><strong>The left menu sticks to the page when you have scrolled a specified amount of pixels.</strong></p>
</div>
<br>
<div class="container">
<div class="row">
<nav class="col-sm-3">
<ul class="nav nav-pills nav-stacked" data-spy="affix" data-offset-top="205">
<li class="active"><a href="#section1">Section 1</a></li>
<li><a href="#section2">Section 2</a></li>
<li><a href="#section3">Section 3</a></li>
</ul>
</nav>
<div class="col-sm-9">
<h1>Some text to enable scrolling</h1>
<h1>Some text to enable scrolling</h1>
<h1>Some text to enable scrolling</h1>
<h1>Some text to enable scrolling</h1>
<h1>Some text to enable scrolling</h1>
<h1>Some text to enable scrolling</h1>
<h1>Some text to enable scrolling</h1>
<h1>Some text to enable scrolling</h1>
<h1>Some text to enable scrolling</h1>
<h1>Some text to enable scrolling</h1>
<h1>Some text to enable scrolling</h1>
<h1>Some text to enable scrolling</h1>
<h1>Some text to enable scrolling</h1>
<h1>Some text to enable scrolling</h1>
</div>
</div>
</div>
</body>
</html>
