<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<div class="row">
<div class="col-md-6">
<img class="img-responsive" src="http://www.hdwallpapers.in/download/ferrari_f12_berlinetta-1900x1080.jpg" alt="">
</div>
<div class="col-md-6">
<h3>Loading Site</h3>
<p>How to use jQuery and CSS to show loading image while page loading.</p>
<h3>References</h3>
<ul>
<li>Template by <a href="http://startbootstrap.com/template-overviews/portfolio-item">Start Bootstrap</a>.</li>
<li>Images by <a href="http://www.hdwallpapers.in">HD Wallpapers</a></li>
<li>Loading animation by <a href="http://tympanus.net/codrops/author/hugogiraudel">Hugo Giraudel</a> in <a href="http://tympanus.net/codrops/2012/11/14/creative-css-loading-animations/">Codrops</a>.</li>
</ul>
</div>
</div>
<div class="row">
<div class="col-lg-12">
<h3 class="page-header">HD Images</h3>
</div>
<div class="col-sm-3 col-xs-6">
<a href="#"><img class="img-responsive portfolio-item" src="http://www.hdwallpapers.in/download/mc_customs_wide_body_ferrari_f12berlinetta-1900x1080.jpg" alt=""></a>
</div>
<div class="col-sm-3 col-xs-6">
<a href="#"><img class="img-responsive portfolio-item" src="http://www.hdwallpapers.in/download/ferrari_fxx_k_2015-1900x1080.jpg" alt=""></a>
</div>
<div class="col-sm-3 col-xs-6">
<a href="#"><img class="img-responsive portfolio-item" src="http://www.hdwallpapers.in/download/lamborghini_gallardo_tikore-1900x1080.jpg" alt=""></a>
</div>
<div class="col-sm-3 col-xs-6">