<link href="//netdna.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<div class="navbar navbar-default navbar-static-top">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">Indo</a>
</div>
<div class="collapse navbar-collapse">
<ul class="nav navbar-nav">
<li class="active"><a href="#">Home</a></li>
<li class="dropdown "><a href="#" id="drop1" data-toggle="dropdown" class="dropdown-toggle" role="button">Music <b class="caret"></b></a>
<ul role="menu" class="dropdown-menu" aria-labelledby="drop1">
<li role="presentation"><a href="#" role="menuitem">Grones</a></li>
<li role="presentation"><a href="#" role="menuitem">Nach</a></li>
<li role="presentation"><a href="#" role="menuitem">Zpu</a></li>
<li role="presentation"><a href="#" role="menuitem">Madnass</a></li>
</ul>
</li>
<li><a href="#contact">Contact</a></li>
</ul>
</div><!--/.nav-collapse -->
</div>
</div>
<div class="container">
</div><!-- /.container -->
.open > .dropdown-menu {
-webkit-transform: scale(1, 1);
transform: scale(1, 1);
opacity:1;
}
.dropdown-menu {
opacity:.3;
-webkit-transform-origin: top;
transform-origin: top;
-webkit-animation-fill-mode: forwards;
animation-fill-mode: forwards;
-webkit-transform: scale(1, 0);
transition: all 0.3s linear;
-webkit-transition: all 0.3s linear;
}
.caret-up {
width: 0;
height: 0;
border-left: 4px solid rgba(0, 0, 0, 0);
border-right: 4px solid rgba(0, 0, 0, 0);
border-bottom: 4px solid;
display: inline-block;
margin-left: 2px;
vertical-align: middle;
}
$(function(){
$(".dropdown").hover(
function() {
$('.dropdown-menu', this).stop( true, true ).fadeIn("fast");
$(this).toggleClass('open');
$('b', this).toggleClass("caret caret-up");
},
function() {
$('.dropdown-menu', this).stop( true, true ).fadeOut("fast");
$(this).toggleClass('open');
$('b', this).toggleClass("caret caret-up");
});
});