<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>
<link href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css" rel="stylesheet">
<div class="row" style="margin:0;">
<div class="col-md-6 col-md-offset-3 col-sm-6 col-sm-offset-3 col-xs-12">
<h3 style="text-align: center" >Login or <a href="#">Sign up</a></h3>
<div class="col-xs-4 col-sm-2 col-md-4">
<a href="#" class="btn btn-lg btn-block">
<i class="fa fa-facebook "></i>
<span class="hidden-xs">Facebook</span>
</a>
</div>
<div class="col-xs-4 col-sm-2 col-sm-offset-2 col-md-offset-0 col-md-4">
<a href="#" class="btn btn-lg btn-block">
<i class="fa fa-twitter"></i>
<span class="hidden-xs">Twitter</span>
</a>
</div>
<div class="col-xs-4 col-sm-2 col-sm-offset-2 col-md-offset-0 col-md-4">
<a href="#" class="btn btn-lg btn-block">
<i class="fa fa-google-plus"></i>
<span class="hidden-xs">Google+</span>
</a>
</div>
</div>
<hr class="col-md-6 col-md-offset-3 col-sm-6 col-sm-offset-3 col-xs-12" />
<div class="col-md-6 col-md-offset-3 col-sm-6 col-sm-offset-3 col-xs-12">
<form class="" action="" autocomplete="off" method="POST">
