<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> <!------ Include the above in your HEAD tag ----------> <div class="container"> <div class="row"> <div class="sidenav"> <a href="#about">About</a> <a href="#services">Services</a> <a href="#clients">Clients</a> <a href="#contact">Contact</a> </div> </div> </div>

font-family: "Lato", sans-serif; } .sidenav { height: 100%; width: 160px; position: fixed; z-index: 1; top: 0; left: 0; background-color: #111; overflow-x: hidden; padding-top: 20px; } .sidenav a { padding: 6px 8px 6px 16px; text-decoration: none; font-size: 25px; color: #818181; display: block; } .sidenav a:hover { color: #f1f1f1; } .main { margin-left: 160px; /* Same as the width of the sidenav */ font-size: 28px; /* Increased text to enable scrolling */ padding: 0px 10px; } @media screen and (max-height: 450px) { .sidenav {padding-top: 15px;} .sidenav a {font-size: 18px;} }