<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-fluid top-nav text-right"><a href="#" class="text-uppercase" data-toggle="modal" data-target="#login-modal">Login</a><a class="text-uppercase" href="#" data-toggle="modal" data-target="#register-modal">Register</a></div>
<div id="login-modal" class="modal fade" role="dialog">
<div class="modal-dialog margin-auto">
<div class="modal-content">
<div class="modal-body">
<h2 class="text-center text-uppercase">Login to Your Account</h2>
<form>
<div class="form-group">
<input type="text" class="form-control" id="username" placeholder="Username">
</div>
<div class="form-group">
<input type="password" class="form-control" id="password" placeholder="Password">
</div>
<div class="form-group">
<input type="submit" class="form-control btn-primary" value="Login">
</div>
</form>
<p><a class="small modal-links" href="#" data-dismiss="modal" data-toggle="modal" data-target="#register-modal">Register</a><a class="small modal-links" href="#" data-dismiss="modal" data-toggle="modal" data-target="#forget-modal">Forget Password</a></p>
</div>
</div>
</div>
</div>
<div id="register-modal" class="modal fade" role="dialog">
<div class="modal-dialog margin-auto">
<div class="modal-content">
<div class="modal-body">
<h2 class="text-center text-uppercase">Register to Your Account</h2>
<form>
<div class="form-group">
<input type="text" class="form-control" id="name" placeholder="Name">
</div>