WebUI: Fixed small aesthetic problem (#2038)

* Fixed small esthetic problem

* Changed to legend

code/html/index.html

@@ -421,8 +421,8 @@
 
                             <fieldset>
 
+                                <legend class="module module-led">Modes</legend>
                                 <div class="pure-g module module-led">
-                                    <div class="pure-u-0 pure-u-lg-1-4">Modes</div>
                                     <div class="pure-u-1 pure-u-lg-3-4 hint">
                                         <li><strong>WiFi status</strong> will blink at 1Hz when trying to connect. If successfully connected it will briefly blink every 5 seconds if in STA mode or every second if in AP mode.</li>
                                         <li><strong>Follow switch</strong> will force the LED to follow the status of a given switch (you must define which switch to follow in the side field).</li>