html - Fix navigation bar after scrolling to first section using Bootstrap -


i want navigation bar become sticky after scroll first section id placed (think of single page website, want navigation become fixed person scrolls first "section")

here's html far:

<div class="container">   <nav class="navbar navbar-default navgui" role="navigation">      <div class="container-fluid">       <!-- brand , toggle grouped better mobile display -->       <div class="navbar-header">         <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">           <span class="sr-only">toggle navigation</span>           <span class="icon-bar"></span>           <span class="icon-bar"></span>           <span class="icon-bar"></span>         </button>          <a href="index.html"><img src="assets/img/logo.svg" width="183px" height="65px" alt="logo" class="toplogo"></a>       </div>        <!-- collect nav links, forms, , other content toggling -->       <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">          <ul class="nav navbar-nav navbar-right">           <li><a class="smoothscroll" href="#section-1">quienes somos</a></li>           <li><a class="smoothscroll" href="#">productos</a></li>           <li><a class="smoothscroll" href="#">proyectos</a></li>           <li><a class="smoothscroll" href="#">contáctenos</a></li>         </ul>       </div><!-- /.navbar-collapse -->     </div><!-- /.container-fluid -->   </nav> </div>

http://getbootstrap.com/examples/navbar-fixed-top/

please see bootstrap docs more information


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