JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://github.com/codemix/bootstrap-css/blob/master/css/bootstrap.css">
			<header id="header" class="navbar navbar-inverse">
				<div id="top-header" class="row-fluid opaque-white-box">
					
					<div id="top-header-right" class="span6">
					
						<!-- BEGIN RESPONSIVE MENU TOGGLER -->
						<a class="btn btn-navbar collapsed" id="main_menu_trigger" data-toggle="collapse" data-target=".nav-collapse">
							<span class="icon-bar"></span>
							<span class="icon-bar"></span>
							<span class="icon-bar"></span>
							<span class="arrow"></span>
						</a>          
						<!-- END RESPONSIVE MENU TOGGLER -->						
										
						<div class="pull-right">
							<ul class="unstyled" id="top-header-menu">
								<li>
									<a id="login-btn">Login</a>
								</li>
								<li>
									<a href="">Wholesale</a>
								</li>
								<li>
									<a href="">Checkout</a>
								</li>
							</ul>
							
							<div id="logo-expand"></div><!-- ./ logo-expand -->
							
						</div><!-- ./ pull right-->
                        
					</div><!-- ./ span6 top header right-->					
				
				</div><!-- ./ row fluid top header-->
			</header>

CSS

#top-header-right{
	height: 70px;
	position: relative;
	overflow: hidden;
    width:500px;
    border:1px solid red;
}
.pull-right{
    float:right;
}

ul#top-header-menu{
	height: auto;
	display: table-cell;
	vertical-align: middle;
	width: auto;
	padding-right: 10px;
}

ul#top-header-menu li{
	display: inline;
	padding: 5px;
	font-size: 10px;
	font-weight: bold;
}


#top-header-right #logo-expand{
	display: table-cell;
	vertical-align: middle;
	width: 56px;
	height: 100px;
	background: url(http://www.psdgraphics.com/wp-content/uploads/2009/04/1-google-logo-tutorial.gif) no-repeat left center;
	position: relative;
	right: 0px;
}

JavaScript

$("#logo-expand").mouseenter(function() {
    $(this).animate({
        width: "56px;"
    }, 300 );
});

$("#logo-expand").mouseleave(function() {
    $(this).animate({
        width: "170px"
    }, 300 );
});