<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="nav-top"> <div class="container"> <div class="top-flex-container"> <div class="top-icons"> <i class="fa fa-phone"></i> +233506986698 </div> <div class="top-mail"> <i class="fa fa-envelope"></i> info@example.com </div> <div class="top-link"> <a href="">Login/Register</a> </div> </div> </div> </div> <nav class="navbar navbar-expand-lg navbar-light bg-light"> <a class="navbar-brand" href="#">Navbar</a> <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="collapse navbar-collapse" id="navbarSupportedContent"> <ul class="navbar-nav ml-auto"> <li class="nav-item active"> <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a> </li> <li class="nav-item"> <a class="nav-link" href="#">Link</a> </li> <li class="nav-item dropdown"> <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"> Dropdown </a> <div class="dropdown-menu" aria-labelledby="navbarDropdown"> <a class="dropdown-item" href="#">Action</a> <a class="dropdown-item" href="#">Another action</a> <div class="dropdown-divider"></div> <a class="dropdown-item" href="#">Something else here</a> </div> </li> </ul> </div> </nav> <div class="container content"> </div>

.nav-top{ min-height: 63px; background-color: #dab13e; color: #000; } .top-flex-container{ display: flex; justify-content: flex-end; } .top-icons,.top-mail{ margin-top:20px; margin-left:20px; font-size: 16.667px; color: #000; } .top-link{ font-size: 16.667px; margin-top:20px; margin-left:84px; } .top-link a{ color: #000; /*font-weight: bold;*/ } .hide-nav-top{ opacity: 0; transition: top 0.5s ease; } .fixed-navbar{ position: fixed; transition: top 0.5s ease; } .content{ height:500px; background:#2ec; }

$(window).scroll(function() { if ($(this).scrollTop() >= 150) { // top navbar $('#navbar').addClass('hide-nav-top'); // fixed navbar $('#navbar').addClass('fixed-navbar'); } else { // top navbar $('#navbar').removeClass('hide-nav-top'); // second navbar $('#navbar').removeClass('fixed-navbar'); } });