The following code shows how to put HTML inside dropdown.
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://code.jquery.com/jquery-1.9.1.js'></script>
<link rel="stylesheet" type="text/css"
href="http://netdna.bootstrapcdn.com/bootstrap/3.0.2/css/bootstrap.css">
<script type='text/javascript'
src="http://netdna.bootstrapcdn.com/bootstrap/3.0.2/js/bootstrap.js"></script>
<style type='text/css'>
.navbar-default {<!--from ww w . j a v a 2 s . com-->
color: #fff;
background-color: #ccc6c6;
border-color: #aca1a2;
}
.navbar-default .navbar-nav>li>a {
color: #fff;
}
.navbar-default .navbar-nav>.dropdown>a .caret {
border-top-color: #fff;
border-bottom-color: #fff;
}
.navbar-default .navbar-brand {
color: #fff;
}
.menu-large {
position: static !important;
}
.megamenu {
padding: 20px 0px;
width: 100%;
}
</style>
<script type='text/javascript'>
$(window).load(function(){
jQuery(document).ready(function(){
$(".dropdown").hover(
function() { $('.dropdown-menu', this).stop().fadeIn("slow");
},
function() { $('.dropdown-menu', this).stop().fadeOut("slow");
});
});
});
</script>
</head>
<body>
<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="#">Logo</a>
</div>
<div class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li><a href="#">Home</a></li>
<li class="dropdown menu-large""><a href="#"
class="dropdown-toggle" data-toggle="dropdown"> Product
Listing <b class="caret"></b>
</a>
<ul class="dropdown-menu megamenu row">
<li>
<div class="col-sm-6 col-md-3">
<a href="#" class="thumbnail"> <img
src="http://placehold.it/150x120" />
</a>
</div>
<div class="col-sm-6 col-md-3">
<a href="#" class="thumbnail"> <img
src="http://placehold.it/150x120" />
</a>
</div>
<div class="col-sm-6 col-md-3">
<a href="#" class="thumbnail"> <img
src="http://placehold.it/150x120" />
</a>
</div>
<div class="col-sm-6 col-md-3">
<a href="#" class="thumbnail"> <img
src="http://placehold.it/150x120" />
</a>
</div>
</li>
</ul></li>
<li class="dropdown menu-large"><a href="#"
class="dropdown-toggle" data-toggle="dropdown">Categories <b
class="caret"></b></a>
<ul class="dropdown-menu megamenu row">
<li class="col-sm-3">
<ul>
<li class="dropdown-header">Glyphicons</li>
<li><a href="#">Available glyphs</a></li>
<li class="disabled"><a href="#">How to use</a></li>
<li><a href="#">Examples</a></li>
<li class="divider"></li>
<li class="dropdown-header">Dropdowns</li>
<li><a href="#">Example</a></li>
<li><a href="#">R</a></li>
<li><a href="#">Headers</a></li>
<li><a href="#">Q</a></li>
</ul>
</li>
<li class="col-sm-3">
<ul>
<li class="dropdown-header">Button groups</li>
<li><a href="#">Basic example</a></li>
<li><a href="#">Button toolbar</a></li>
<li><a href="#">Sizing</a></li>
<li><a href="#">Nesting</a></li>
<li><a href="#">3</a></li>
<li class="divider"></li>
<li class="dropdown-header">2</li>
<li><a href="#">1</a></li>
</ul>
</li>
<li class="col-sm-3">
<ul>
<li class="dropdown-header">Input groups</li>
<li><a href="#">Basic example</a></li>
<li><a href="#">Sizing</a></li>
<li><a href="#">Checkboxes and radio addons</a></li>
<li class="divider"></li>
<li class="dropdown-header">Navs</li>
<li><a href="#">Tabs</a></li>
<li><a href="#">Pills</a></li>
<li><a href="#">Justified</a></li>
</ul>
</li>
<li class="col-sm-3">
<ul>
<li class="dropdown-header">Navbar</li>
<li><a href="#">Default navbar</a></li>
<li><a href="#">Buttons</a></li>
<li><a href="#">Text</a></li>
<li><a href="#">Non-nav links</a></li>
<li><a href="#">Component alignment</a></li>
<li><a href="#">A</a></li>
<li><a href="#">B</a></li>
<li><a href="#">C</a></li>
<li><a href="#">D</a></li>
</ul>
</li>
</ul></li>
</ul>
</div>
</div>
</div>
</body>
</html>