title: Extract link of background, jsoup
body: <p>I have a problem with extract link from HTML of the following nature, using jsoup.</p>
  
  <pre class="lang-html prettyprint-override"><code>&lt;div class="post_video" style="background-image:url(http://img.youtube.com/vi/JFf3uazyXco/2.jpg);"&gt;
  </code></pre>