The button that is used on mobile devices to view the navbar is not showing up when I make the browser window size smaller to see how it looks on mobile. Here is a CodePen to see my code
<div class="container"> <div class="navbar navbar-default navbar-fixed-top"> <div class="container"> <a class="navbar-brand" href="#"><h4>EmulateOS.tk</h4></a> <div class="collapse navbar-collapse"> <ul class="nav navbar-nav"> <li class="active"><a href="#">Home</a></li> <li><a href="#">Mac OS9</a></li> <li><a href="#">DOS</a></li> <li><a href="#">Windows '95</a></li> </ul> <form class="navbar-form navbar-left" role="search"> <input type="text" class="form-control" placeholder="Search"> <button type="submit" class="btn btn-default"><span class="glyphicon glyphicon-search"></span></button> </form> </div> </div> </div> </div>