Bootstrap 3 Template

This is a simple Twitter Bootstrap 3 template. You can fork it to get a ready to use Bootstrap 3 fiddle.

HTML

<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<div class="modal-body">
  <form action="" class="form center-block" onsubmit="return login()">
    <div class="form-group">
      <input type="text" id="username" class="form-control input-lg" placeholder="">
    </div>
    <div class="form-group">
      <input type="password" id="password" class="form-control input-lg" placeholder="">
    </div>
    <div class="form-group">
      <button class="btn btn-primary btn-lg btn-block" type="submit">Login</button>
    </div>
  </form>
</div>

CSS

/* Latest compiled and minified CSS included as External Resource*/

/* Optional theme */
@import url('//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap-theme.min.css');

body {
    margin: 10px;
}

JavaScript

function login() {
  var un = document.getElementById("username").value;
  var pw = document.getElementById("password").value;

  if (un == "admin" && pw == "admin") {
    alert("SUCCESS");
    return true;
  } else {
    alert("FAIL");
    return false;
  }
}