You can include Bootstrap in your webpages from a Content Delivery Network (CDN).

<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">

<!-- jQuery library -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>

<!-- Latest compiled JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>

Mobile Friendly Websites

You need to add the viewport meta tag in the <head> element, to ensure proper rendering and touch zooming on mobile devices.

<meta name = "viewport" content = "width = device-width, initial-scale = 1.0">