How get webpage value (has no ID) to label in WPF?

Question

how can i get the value from a webpage to my wpf label when the webpage has no id only a <h4> tag ?

here is the code I want to get "15" to my label which is labeled lblPlatinum please help i have tried GetElementById but it has no id and i tried h4 as the id but no good ?

 

▼code snippet▼ 

 

<div class="info-bar">

   <ul>

      <li>

         <div class="wrap">

            <h4>Platinum</h4>

         <div class="quantity trophy platinum-trophy" style="background-image: url(//psmedia.playstation.com/is/image/psmedia/platinumtrophy-us-07may15?$CompeteConnectHeroBanner_Trophy$);">15</div>

         </div>

      </li>

   </ul>

</div> 

 

How can i do this please ?