bootstrap 2 rows menu
<nav class="navbar navbar-toggleable-md navbar-inverse bg-inverse">
<div class="container">
<button class="navbar-toggler navbar-toggler-right align-self-center mt-3" type="button" data-toggle="collapse" data-target="#navbarCollapse">
<span class="navbar-toggler-icon"></span>
</button>
<h1 class="py-2 ml-lg-2 mx-3"><a href="#"><i class="fa fa-envelope-o fa-lg mt-2" aria-hidden="true"></i></a></h1>
<div class="collapse navbar-collapse flex-column ml-lg-0 ml-3" id="navbarCollapse">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Product</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Shop</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Events</a>
</li>
</ul>
<ul class="navbar-nav flex-row mb-2">
<li class="nav-item">
<a class="nav-link py-1 pr-3" href="#"><i class="fa fa-facebook"></i></a>
</li>
<li class="nav-item">
<a class="nav-link py-1 pr-3" href="#"><i class="fa fa-instagram"></i></a>
</li>
<li class="nav-item">
<a class="nav-link py-1 pr-3" href="#"><i class="fa fa-twitter"></i></a>
</li>
</ul>
</div>
</div>
</nav>