Untitled

Center Form using Twitter Bootstrap
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>My Form</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="">
    <meta name="author" content="">

    <!-- Le styles -->
    <link href="/bootstrap/css/bootstrap.css" rel="stylesheet">
    <style>
      body {
        padding-top: 60px; /* 60px to make the container go all the way to the bottom of the topbar */
      }
    </style>
    <link href="/bootstrap/css/bootstrap-responsive.css" rel="stylesheet">

    <!-- Le HTML5 shim, for IE6-8 support of HTML5 elements -->
    <!--[if lt IE 9]>
      <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
    <![endif]-->
  </head>

  <body>
    <div class="container">
        <div class="row">
            <div class="span12" style="text-align:center; margin: 0 auto;">
                <form class="form-horizontal" method="post" action="/form/">
                    <fieldset>
                        <legend>Please login</legend>
                        <div class="control-group">
                            <label class="control-label" for="id_username">Username</label>
                            <div class="controls">
                                <input name="username" maxlength="100" placeholder="Enter your username..." type="text" class="input-large" id="id_username" />
                            </div>
                        </div>
                        <div class="control-group">
                            <label class="control-label" for="id_password">Password</label>
                            <div class="controls">
                                <input name="password" maxlength="100" placeholder="Enter your password..." type="password" class="input-large" id="id_password" />
                            </div>
                        </div>
                    </fieldset>
                </form>
            </div>
        </div>
    </div>

    <!-- Le javascript
    ================================================== -->
    <!-- Placed at the end of the document so the pages load faster -->
    <script src="/bootstrap/js/jquery.js"></script>
    <script src="/bootstrap/js/bootstrap-transition.js"></script>
    <script src="/bootstrap/js/bootstrap-alert.js"></script>
    <script src="/bootstrap/js/bootstrap-modal.js"></script>
  </body>
</html>

<div class="container">
    <div class="row">
        <div class="span12">
            <form class="form-horizontal" method="post" action="/form/">
                <fieldset>
                    <legend>Please login</legend>
                    <div class="control-group">
                        <label class="control-label" for="id_username">Username</label>
                        <div class="controls">
                            <input name="username" maxlength="100" placeholder="Enter your username..." type="text" class="input-large" id="id_username" />
                        </div>
                    </div>
                    <div class="control-group">
                        <label class="control-label" for="id_password">Password</label>
                        <div class="controls">
                            <input name="password" maxlength="100" placeholder="Enter your password..." type="password" class="input-large" id="id_password" />
                        </div>
                    </div>
                </fieldset>
            </form>
        </div>
    </div>
</div>