Sticky navbar when scroll down

A sticky navbar with twitter bootstrap when you scroll down.

by Glynne Turner

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<div class="spacer-top">Testing</div>
<nav class="navbar navbar-default navbar-static-top" id="mainnav">
    <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" 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 class="navbar-brand" href="#">Brand</a>

        </div>
        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse " id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav">
                <li class="active"><a href="#">Link <span class="sr-only">(current)</span></a>
                </li>
                <li><a href="#">Link</a>
                </li>
                <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">Dropdown <span class="caret"></span></a>

                    <ul class="dropdown-menu" role="menu">
                        <li><a href="#">Action</a>
                        </li>
                        <li><a href="#">Another action</a>
                        </li>
                        <li><a href="#">Something else here</a>
                        </li>
                        <li class="divider"></li>
                        <li><a href="#">Separated link</a>
                        </li>
                        <li class="divider"></li>
                        <li><a href="#">One more separated link</a>
                        </li>
                    </ul>
       ...

CSS

.spacer-top {color:#FFF; font-size:26px; width:100%; display:block; height:300px; background-color:#CCC; margin:0px; background-image:url(https://static.pexels.com/photos/7097/people-coffee-tea-meeting.jpg); background-position:top center; background-size:cover;} /* Only for demo */
.spacer-bottom {height:1000px; background:#CCC;} /* Only for demo */
.navbar-fixed-top { 
-webkit-box-shadow: 0px 1px 3px 0px rgba(38,38,38,0.24);
-moz-box-shadow: 0px 1px 3px 0px rgba(38,38,38,0.24);
box-shadow: 0px 1px 3px 0px rgba(38,38,38,0.24);
 -webkit-transition: all .4s ease-in-out;
  -moz-transition: all .4s ease-in-out;
  -o-transition: all .4s ease-in-out;
  transition: all .4s ease-in-out
} /* Adding a shadow to the navbar with transition */

JavaScript

$(document).ready(function () {
	    
	});