sign on button

clientarea.tpl

@@ -8,7 +8,7 @@
         </tr>
         <tr>
           <td colspan=2>
-            <button type="button" class="btn btn-default">
+            <button type="button" class="btn btn-primary">
               <a href=/whmcs/clientarea.php?action=productdetails&id={$serviceid}&dosinglesignon=1 target=_blank>Einloggen</a>
             </button>
           </td>