Bootstrap Dropdown thumbnail preview


	<nav class="navbar navbar-default" role="navigation">
  <div class="container">
    <!-- Brand and toggle get grouped for better mobile display -->
    <div class="navbar-header">
      <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#dropdown-thumbnail-preview">
        <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="javascript:;">Brand</a>
    </div>

    <!-- Collect the nav links, forms, and other content for toggling -->
    <div class="collapse navbar-collapse" id="dropdown-thumbnail-preview">
      <ul class="nav navbar-nav">
        <li class="active"><a href="javascript:;">Link</a></li>
        <li><a href="javascript:;">Link</a></li>
        <li class="dropdown thumb-dropdown">
          <a href="javascript:;" class="dropdown-toggle" data-toggle="dropdown">My Snippets <span class="caret"></span></a>
          <ul class="dropdown-menu" role="menu">
            <li role="presentation" class="dropdown-header">Simple thumbnail</li>
            <li>
                <a href="javascript:;">
                    Preview carousel indicators                                
                    <div class="thumbnail">
                        <img class="img-responsive" src="http://lorempixel.com/400/200/animals/1">
                    </div>
                </a>
            </li>
            <li>
                <a href="javascript:;">
                    Simple subscribe form                                
                    <div class="thumbnail">
                        <img class="img-responsive" src="http://lorempixel.com/400/200/animals/2">
                    </div>
                </a>
            </li>
            <li>
                <a href="javascript:;">
                    Flat user profile                             
                    <div class="thumbnail">
                        <img class="img-responsive" src="http://lorempixel.com/400/200/animals/3">
                    </div>
                </a>
            </li>
            <li class="divider"></li>
            <li role="presentation" class="dropdown-header">Thumbnail with caption</li>
            <li>
                <a href="javascript:;">
                    Discount labels                                
                    <div class="thumbnail">
                        <img class="img-responsive" src="http://lorempixel.com/400/200/animals/4">
                        <div class="caption">
                            <p>You can add any text for describe thumbnail here.</p>
                        </div>
                    </div>
                </a>
            </li>
          </ul>
        </li>
      </ul>
      <form class="navbar-form navbar-left" role="search">
        <div class="form-group">
          <input type="text" class="form-control" placeholder="Search">
        </div>
        <button type="submit" class="btn btn-default">Submit</button>
      </form>
      <ul class="nav navbar-nav navbar-right">
        <li><a href="javascript:;">Link</a></li>
        <li class="dropdown">
          <a href="javascript:;" class="dropdown-toggle" data-toggle="dropdown">Dropdown <span class="caret"></span></a>
          <ul class="dropdown-menu" role="menu">
            <li><a href="javascript:;">Action</a></li>
            <li><a href="javascript:;">Another action</a></li>
            <li><a href="javascript:;">Something else here</a></li>
            <li class="divider"></li>
            <li><a href="javascript:;">Separated link</a></li>
          </ul>
        </li>
      </ul>
    </div><!-- /.navbar-collapse -->
  </div><!-- /.container-fluid -->
</nav>
	<script type="text/javascript">
	
	</script>

    .thumb-dropdown .dropdown-menu > li {
    position: relative;
}
.thumb-dropdown .dropdown-menu > li > a .thumbnail {
    position: absolute; 
    left: 100%;
    top: -10px;
    display: none;    
    width: 350px;
    height: auto;
    margin-left: 5px;
}
.thumb-dropdown .dropdown-menu > li > a:hover .thumbnail  {
    display: block;    
}