bootstrap examles code example
Example: about section bootstrap 4
<nav class="navbar navbar-dark fixed-top navbar-expand-md navbar-no-bg">
<div class="container">
<a class="navbar-brand" href="index.html">Bootstrap 4 One Page Website Tutorial</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 ml-auto">
<li class="nav-item">
<a class="nav-link scroll-link" href="#top-content">Top</a>
</li>
<li class="nav-item">
<a class="nav-link scroll-link" href="#services">Services</a>
</li>
<li class="nav-item">
<a class="nav-link scroll-link" href="#about-us">About</a>
</li>
<li class="nav-item">
<a class="nav-link scroll-link" href="#portfolio">Work</a>
</li>
<li class="nav-item">
<a class="nav-link scroll-link" href="#testimonials">Clients</a>
</li>
<li class="nav-item">
<a class="nav-link scroll-link" href="#blog">Blog</a>
</li>
</ul>
</div>
</div>
</nav>