<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>
<button class="btn btn-primary" data-toggle="modal" data-target="#myModal">
Login modal</button>
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myLargeModalLabel"
aria-hidden="true">
<div class="modal-dialog modal-lg">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">
×</button>
<h4 class="modal-title" id="myModalLabel">
Login/Registration - <a href="http://www.jquery2dotnet.com">jquery2dotnet.com</a></h4>
</div>
<div class="modal-body">
<div class="row">
<div class="col-md-8" style="border-right: 1px dotted #C2C2C2;padding-right: 30px;">
<ul class="nav nav-tabs">
<li class="active"><a href="#Login" data-toggle="tab">Login</a></li>
<li><a href="#Registration" data-toggle="tab">Registration</a></li>
</ul>
<div class="tab-content">
<div class="tab-pane active" id="Login">
<form role="form" class="form-horizontal">
<div class="form-group">
<label for="email" class="col-sm-2 control-label">
Email</label>
<div class="col-sm-10">
<input type="email" class="form-control" id="email1" placeholder="Email" />
</div>
</div>