title: invalid property value for padding
body: <p>I am getting invalid property value for padding and I don't know why. This code is written in ruby btw. When I check with the browser it has the right value pixels, however it is crossed out w a line and it isn't reading that attribute. Thanks in advance.</p>
  
  <pre><code>&lt;% mywaldo = Mapping::MYWALDOS.sample %&gt;
  &lt;!doctype html&gt;
  &lt;html&gt;
    &lt;head&gt;
      &lt;title&gt;Sinatra Single-Serve&lt;/title&gt;
      &lt;link href="css/bootstrap.css" rel="stylesheet" type="text/css"/&gt;
      &lt;style&gt;
        div {
          width: 1024px;
          height: 768px;
          background-image: url("img/waldos/&lt;%= mywaldo[0]%&gt;") ;
        }
        #waldo {
          position:absolute;
          top: &lt;%= mywaldo[2]%&gt;;
          left: &lt;%= mywaldo[1]%&gt;;
          padding: &lt;%= mywaldo[3]%&gt;, &lt;%= mywaldo[4]%&gt;;
        }
      &lt;/style&gt;
    &lt;/head&gt;
    &lt;body&gt;
      &lt;div&gt;
        &lt;a id="waldo" href=""&gt;AA&lt;/a&gt;
      &lt;/div&gt;
      &lt;%= yield %&gt; 
    &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>