<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<div class="container">
<div class="row">
<div class="col-12 col-lg-6">
<h1> Design of Followers : </h1>
<ul class="nav nav-followers">
<li class="nav-item" data-toggle="tooltip" title="Alaa">
<a href="#" class="nav-link">
<img src="https://s3.amazonaws.com/uifaces/faces/twitter/dustinlamont/128.jpg">
</a>
</li>
<li class="nav-item" data-toggle="tooltip" title="mohammed">
<a href="#" class="nav-link">
<img src="https://s3.amazonaws.com/uifaces/faces/twitter/dakshbhagya/128.jpg">
</a>
</li>
<li class="nav-item" data-toggle="tooltip" title="Ahmed">
<a href="#" class="nav-link">
<img src="https://s3.amazonaws.com/uifaces/faces/twitter/annapickard/128.jpg">
</a>
</li>
<li class="nav-item" data-toggle="tooltip" title="Adam">
<a href="#" class="nav-link">
<img src="https://s3.amazonaws.com/uifaces/faces/twitter/waferbaby/128.jpg">
</a>
</li>
<li class="nav-item">
<a href="#" class="nav-link">
<span>+9</span>
</a>
</li>
</ul>