JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<body>
	<div class="center-pane">
		<form method="post" action="/login/">
			<div class="form-group">
				<label class=" required-field">E-Mail:</label> 
				<input type="text" name="username" required id="id_username" class="form-control" maxlength="150">
			</div>
			<div class="form-group">
				<label class=" required-field">Password:</label> 
				<input type="password" name="password" required class="form-control" id="id_password">
			</div>
			<button type="submit" class="btn btn-default btn-primary btn-block" value="Login">Login</button><br>
			<a href="/omg">I'm desperated!</a>
		</form>
		<div class="misc text-center">
			Some text
			<br>
			<a href="http://jigsaw.w3.org/css-validator/check/referer">CSS</a> |
			<a href="http://validator.w3.org/check/referer">HTML5</a>
		</div>
	</div>
	<footer></footer>
</body>

CSS

.center-pane {
  margin: auto;
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
  max-width: 277px;
  height: 320px;
}

.center-pane form {
  background: #f0f0fd;
  background: rgba(240,240,253,0.90);
  padding: 22px 32px;
  -moz-border-radius: 8px;
  -webkit-border-radius: 8px;
  border-radius: 8px;
  -moz-box-shadow: 0 0 18px rgba(0, 0, 0, 0.9);
  -webkit-box-shadow: 0 0 18px rgba(0, 0, 0, 0.9);
  -box-shadow: 0 0 18px rgba(0, 0, 0, 0.9);
}

.misc, .misc a{color: white;}
.misc a:hover {color: #9CF;}

footer {
	background: #555;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    top: 50%;
}