php_laravel_laracasts/resources/views/layouts/nav.blade.php

<div class="collapse bg-inverse" id="navbarHeader">
    <div class="container">
        <div class="row">
            <div class="col-sm-8 py-4">
                <h4 class="text-white">About</h4>
                <p class="text-muted">Add some information about the album below, the author, or any other background context. Make it a few sentences long so folks can pick up some informative tidbits. Then, link them off to some social networking sites or contact information.</p>
            </div>
            <div class="col-sm-4 py-4">
                <h4 class="text-white">Contact</h4>
                <ul class="list-unstyled">
                    <li><a href="#" class="text-white">Follow on Twitter</a></li>
                    <li><a href="#" class="text-white">Like on Facebook</a></li>
                    <li><a href="#" class="text-white">Email me</a></li>
                </ul>
            </div>
        </div>
    </div>
</div>
<div class="navbar navbar-inverse bg-inverse">
    <div class="container d-flex justify-content-between">
        <a href="#" class="navbar-brand">Album</a>
        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarHeader" aria-controls="navbarHeader" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
        </button>
    </div>
</div>