title: Dynamic css selector
body: <p>I try to style something this:</p>
  
  <pre><code>span#wdps_0_slide4633_layer1.none.wdps_animated
  </code></pre>
  
  <p>The dynamic value is <strong>slideXXXX</strong></p>
  
  <p>How can I write it to style any silde number?</p>