<navid="main-nav"class="navbar navbar-default navbar-fixed-top navbar-custom"><!--navigation bar with default view fixed on top specific class nav-bar custom-->
<divclass="container"><!--gives padding of 16px on LHS and RHS-->
<divclass="navbar-header page-scroll"><!--navigation bar header having proprty to scroll -->
<navid="main-nav"class="navbar navbar-default navbar-fixed-top navbar-custom"><!--navigation bar with default view fixed on top specific class nav-bar custom-->
<divclass="container"><!--gives padding of 16px on LHS and RHS-->
<divclass="navbar-header page-scroll"><!--navigation bar header having proprty to scroll -->