Navbar: Bootstrap 4 Reference

<!--logo and text (title) -->
<nav class="navbar navbar-light bg-light">
  <a class="navbar-brand" href="#">
    <img src="/assets/startupcache_logo.svg" width="90" height="90" class="d-inline-block align-top" alt="">
    Startup Cache
  </a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
  <span class="navbar-toggler-icon"></span>
  </button>
  <div class="collapse navbar-collapse" id="navbarNav">
  	<ul class="navbar-nav">
    	<li class="nav-item active">
        	<a class="nav-link" id="about-link" href="/templates/about.html">About</a>
        </li>
    </ul>
  </div>
</nav>