title: What does ${imagepath} refer to in a CSS file?
body: <p>I am trying to adapt a perl script that is used to generate a splash page for a public wifi installation. I was only given a couple example files to work from and no documentation. After several hours on the phone with the access point vendor I was told I could "just edit" the examples in order to design our custom page. I am trying to understand what is going on in the files.</p>
  
  <p>I have .css file with the following in it.</p>
  
  <pre><code>#logo_container {
      width: 528px; height: 58px;
      background-image: url(${imagepath}body_title_line.gif);
      border: 0;
  }
  </code></pre>
  
  <p>I also have a .pl file with a variable <code>$html_body_top</code> containing the following snippet of html:</p>
  
  <p><code>&lt;a href=\"${imagepath}WirelessAUP-ibm.htm\" target=\"_self\"&gt;Acceptable Use Policy&lt;/a&gt;</code></p>
  
  <p>What does the <strong>${imagepath}</strong> refer to? Can I get at it?</p>