Fix MQTT tab

code/html/index.html

@@ -90,8 +90,8 @@
                             <a href="#" class="pure-menu-link" data="panel-wifi">WIFI</a>
                         </li>
 
-                        <li class="pure-menu-item">
-                            <a href="#" class="pure-menu-link module module-mqtt" data="panel-mqtt">MQTT</a>
+                        <li class="pure-menu-item module module-mqtt">
+                            <a href="#" class="pure-menu-link" data="panel-mqtt">MQTT</a>
                         </li>
 
                         <li class="pure-menu-item module module-ntp">