<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="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="navWrapper">
<div class="container">
<nav class="navbar bg-dark navbar-dark">
<a class="navbar-brand">Bootstrap Nav</a>
<div class="navbar-toggler navbar-toggle" data-toggle="collapse" data-target="#toogle-navbar">
<i></i><i></i><i></i>
</div>
<div class="collapse navbar-collapse" id="toogle-navbar">
<ul class="navbar-nav">
<li class="nav-item">
<a class="nav-link" href="#">Item 1</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Item 1</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Item 1</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Item 1</a>
</li>
</ul>
</div>
</nav>
<div class="row">
<div class="col-md-12">
<h2 class="text-center mg-t-20">Simple Hamburger Menu to X Mark Animation</h2>
<p>
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</p>
<p>