title: how to create a narrow centered column in twitter-bootstrap-3?
body: <p>I used this code to create a narrow centered column in bootstrap:</p>
  
  <pre><code> &lt;div class="container" style="width:640px!important;max-width:100%!important;"&gt;
          &lt;div class="well"&gt;content&lt;/div&gt;
      &lt;/div&gt;
  </code></pre>
  
  <p>how can make it standard and responsive in bootstrap?</p>