title: How can I do so that css styles are actually inside container?
body: <p>I have a css file with styles:</p>
  
  <pre><code>button-text-only {
      padding: .4em 1em;
  }
  .ui-buttonse {
      margin-right: 7px;
  }
  .ui-datepicker {
      left: 2px;
  }
  ... and etc ...
  </code></pre>
  
  <p>How can I do so that css styles are actualy inside container with id = "date_catr"?</p>