<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous">
<div class="container">
<ul>
<li><a href="#"><i class="fa fa-facebook" aria-hidden="true"></i></a></li>
<li><a href="#"><i class="fa fa-twitter" aria-hidden="true"></i></a></li>
<li><a href="#"><i class="fa fa-google-plus" aria-hidden="true"></i></a></li>
<li><a href="#"><i class="fa fa-linkedin" aria-hidden="true"></i></a></li>
<li><a href="#"><i class="fa fa-instagram" aria-hidden="true"></i></a></li>
</ul>
</div>