new css and functions

templates/devices.html

@@ -52,7 +52,7 @@
               <span class="badge bg-danger">Wymaga aktualizacji <small>(firmware)</small></span>
             {% endif %}
           {% else %}
-            <span class="badge bg-success">Aktualny</span>
+            <span class="badge bg-info">N/D</span>
           {% endif %}
         </td>
         <td>