<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>
<a href="#" data-toggle="modal" data-target="#login-modal">Login</a>
<div class="modal fade" id="login-modal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true" style="display: none;">
<div class="modal-dialog">
<div class="loginmodal-container">
<h1>Login to Your Account</h1><br>
<form>
<input type="text" name="user" placeholder="Username">
<input type="password" name="pass" placeholder="Password">
<input type="submit" name="login" class="login loginmodal-submit" value="Login">
</form>
<div class="login-help">
<a href="#">Register</a> - <a href="#">Forgot Password</a>
</div>
</div>
</div>
</div>