JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css">

<div class="row">
  <div class="span8">
      <form class="form-horizontal">
  <div class="control-group">
  <label class="control-label" for="inputIcon">Email address</label>
  <div class="controls">
    <div class="input-prepend input-block-level">
      <span class="add-on"><i class="icon-envelope"></i></span>
      <input class="span2" id="inputIcon" type="text" class="input-block-level">
    </div>
  </div>
</div>
  <div class="control-group">
    <label class="control-label" for="inputPassword">Password</label>
    <div class="controls">
      <input type="password" id="inputPassword" placeholder="Password" class="input-block-level">
    </div>
  </div>
  <div class="control-group">
    <div class="controls">
      <label class="checkbox">
        <input type="checkbox"> Remember me
      </label>
      <button type="submit" class="btn">Sign in</button>
    </div>
  </div>
</form>
  </div>
    <div class="span4" id="right-side">asdasddasd</div>
    
</div>

CSS

#right-side{
    background-color: #ff0000;
    height: 200px;
}