I tried to squeeze and expand on my desktop browser and it works. But, when the file is hosted on my server and I access that URL on my phone it doesn't work.
<nav class="navbar navbar-default navbar-fixed-top"> <div class="container-fluid"> <div class="navbar-header"> <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false"> <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> <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1"> <ul class="nav navbar-nav"> <li class="active"><a href="#" id="brand1">brand1<span class="sr-only">(current)</span></a></li> <li><a href="#" id="brand2">brand2</a></li> <li><a href="#" id="brand3">brand3</a></li> <li><a href="#" id="brand4">brand4</a></li> <li><a href="#" id="brand5">brand5</a></li> </ul> </div> </div> </nav> 