Add thick hr element to footer

Signed-off-by: lucperkins <[email protected]>

Author: lucperkins

layouts/partials/footer.html

@@ -11,7 +11,7 @@
         &copy; {{ $year }} The Linux Foundation. All rights reserved. The Linux Foundation has registered trademarks and uses trademarks. For a list of trademarks of The Linux Foundation, please see our <a href="https://www.linuxfoundation.org/trademark-usage">Trademark Usage</a> page. 
       </p>
 
-      <hr />
+      <hr class="thick" />
 
       {{ $copy }}
     </div>