<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 id="orangeUI">
<nav>
<ul class="menu">
<li>Menu<div class="arrow-down"></div><div class="arrow-shadow"></div></li>
<li class="hover">Hovered<div class="arrow-down"></div><div class="arrow-shadow"></div></li>
<li class="current">Current<div class="arrow-down"></div><div class="arrow-shadow"></div></li>
</ul>
</nav>
<div class="breadcrumbs">
<ul>
<li><a href="#">C++</a><div class="bread-shadow">C++</div></li>
<li><a href="#">Boost</a><div class="bread-shadow">Boost</div></li>
<li><a href="#">Algorithm</a><div class="bread-shadow">Algorithm</div></li>
<li><a href="#" class="current">Current</a><div class="bread-shadow">Current</div></li>
</ul>
</div>
<div class="pagenation">
<ul>
<li>Prev</li>
<li class="current">2</li>
<li>3</li>
<li>4</li>
<li class="dot">...</li>
<li>Next</li>
</ul>
</div>
</div>