href="examples/pcss._ex005_.html">005 Dynamic themes</a></li>
      </ul>
    </section>
    <section>
      <h2><span class="pcss-_x_fa_icon_">&#xf075;</span> Why</h2>
      <div class="pcss-_alt_clearfloat_"></div>
      <p><strong>Traditional CSS is created well before it is used</strong>,
        not when the application needs it. While preprocessors such as
        <code>{less}</code>, <code>Stylus</code>, or <code>Sass</code> can help
        reduce some of the tedium of creating styling variations, t