title: Should I include bootstrap.css and bootstrap-responsive.css together?
body: <p>Should I include two css file or one is enough?</p>
  
  <pre><code>&lt;link rel="stylesheet" href="bootstrap/css/bootstrap.min.css" media="all" /&gt;
  &lt;link rel="stylesheet" href="bootstrap/css/bootstrap-responsive.min.css" media="all" /&gt;
  </code></pre>
  
  <p>OR</p>
  
  <pre><code>&lt;link rel="stylesheet" href="bootstrap/css/bootstrap-responsive.min.css" media="all" /&gt;
  </code></pre>