diff --git a/webgis/index.html b/webgis/index.html
index 34fe205..fe90a64 100644
--- a/webgis/index.html
+++ b/webgis/index.html
@@ -86,13 +86,13 @@
             <aside class="menu ml-4 mt-3">
                 <button title="Chiudi menu" class="delete is-pulled-right" data-action="menu#close"></button>
                 <p class="menu-label is-size-5 mt-2 is-clickable" data-id="sites">
-                     <span class="icon pl-1 mr-2 is-small" title="Nascondi" data-layer-target="sites" data-action="click->layer#toggle">
+                     <span role="button" class="icon pl-1 mr-2 is-small" title="Nascondi" data-layer-target="sites" data-action="click->layer#toggle">
                         <i class="fa fa-xs fa-eye-slash" data-layer-target="icon"></i>
                     </span>
                     <span class="icon pr-1">
                         <img class="image" src="img/icons/siti_menu.png"/>
                     </span>
-                    <span data-action="click->menu#toggle" data-id="sites">
+                    <span role="button" data-action="click->menu#toggle" data-id="sites">
                         Beni archeologici
                         <span class="icon pl-2">
                             <i class="fa fa-chevron-right" data-menu-target="icon" data-id="sites"></i>
@@ -101,7 +101,7 @@
                 </p>
                 <ul class="menu-list is-hidden" id="sites-list" data-menu-target="list" data-controller="marker">
                     <li data-list-id="sites-anacapri-sub">
-                        <span class="is-clickable" data-action="click->menu#openSubList" data-list-id="sites-anacapri-sub">
+                        <span role="button" class="is-clickable" data-action="click->menu#openSubList" data-list-id="sites-anacapri-sub">
                             Anacapri
                             <span class="icon ml-2">
                                 <i class="fa fa-chevron-right" data-menu-target="icon"></i>
@@ -109,7 +109,7 @@
                         </span>
                     </li>
                     <li class="mt-3" data-list-id="sites-capri-sub">
-                        <span class="is-clickable" data-action="click->menu#openSubList" data-list-id="sites-capri-sub">
+                        <span role="button" class="is-clickable" data-action="click->menu#openSubList" data-list-id="sites-capri-sub">
                             Capri
                             <span class="icon ml-2">
                                 <i class="fa fa-chevron-right" data-menu-target="icon"></i>
@@ -125,7 +125,7 @@
                     <span class="icon pr-1">
                         <img class="image" src="img/icons/non_cons_menu.png"/>
                     </span>
-                    <span data-action="click->menu#toggle" data-id="notConserved">
+                    <span role="button" data-action="click->menu#toggle" data-id="notConserved">
                         Beni non conservati
                         <span class="icon pl-2">
                             <i class="fa fa-chevron-right" data-menu-target="icon" data-id="notConserved"></i>
@@ -134,7 +134,7 @@
                 </p>
                 <ul class="menu-list is-hidden" id="notConserved-list" data-menu-target="list" data-controller="marker">
                     <li data-list-id="notConserved-anacapri-sub">
-                        <span class="is-clickable" data-action="click->menu#openSubList" data-list-id="notConserved-anacapri-sub">
+                        <span role="button" class="is-clickable" data-action="click->menu#openSubList" data-list-id="notConserved-anacapri-sub">
                             Anacapri
                             <span class="icon ml-2 is-small" data-list-id="notConserved-anacapri-sub">
                                 <i class="fa fa-chevron-right"></i>
@@ -142,7 +142,7 @@
                         </span>
                     </li>
                     <li class="mt-3" data-list-id="notConserved-capri-sub">
-                        <span class="is-clickable" data-action="click->menu#openSubList" data-list-id="notConserved-capri-sub">
+                        <span role="button" class="is-clickable" data-action="click->menu#openSubList" data-list-id="notConserved-capri-sub">
                             Capri
                             <span class="icon ml-2 is-small" data-list-id="notConserved-capri-sub">
                                 <i class="fa fa-chevron-right"></i>
@@ -157,7 +157,7 @@
                     <span class="icon pr-1">
                         <img class="image" src="img/icons/rinv_menu.png"/>
                     </span>
-                    <span data-action="click->menu#toggle" data-id="findings">
+                    <span role="button" data-action="click->menu#toggle" data-id="findings">
                         Rinvenimenti
                         <span class="icon pl-2">
                             <i class="fa fa-chevron-right" data-menu-target="icon" data-id="findings"></i>
@@ -165,8 +165,8 @@
                     </span>
                 </p>
                 <ul class="menu-list is-hidden" id="findings-list" data-menu-target="list" data-controller="marker">
-                    <li>
-                        <span class="is-clickable" data-action="click->menu#openSubList" data-list-id="findings-anacapri-sub">
+                    <li data-list-id="findings-anacapri-sub">
+                        <span role="button" class="is-clickable" data-action="click->menu#openSubList" data-list-id="findings-anacapri-sub">
                             Anacapri
                             <span class="icon ml-2">
                                 <i class="fa fa-chevron-right" data-menu-target="icon"></i>
@@ -181,7 +181,7 @@
                     <span class="icon pr-1">
                         <img class="image" src="img/icons/preistorici.png"/>
                     </span>
-                    <span data-action="click->menu#toggle" data-id="prehistoric">
+                    <span role="button" data-action="click->menu#toggle" data-id="prehistoric">
                         Aree di affioramento
                         <span class="icon pl-2">
                             <i class="fa fa-chevron-right" data-menu-target="icon" data-id="prehistoric"></i>
@@ -190,7 +190,7 @@
                 </p>
                 <ul class="menu-list is-hidden" id="prehistoric-list" data-menu-target="list" data-controller="marker">
                     <li data-list-id="prehistoric-anacapri-sub">
-                        <span class="is-clickable" data-action="click->menu#openSubList" data-list-id="prehistoric-anacapri-sub">
+                        <span role="button" class="is-clickable" data-action="click->menu#openSubList" data-list-id="prehistoric-anacapri-sub">
                             Anacapri
                             <span class="icon ml-2 is-small" data-list-id="prehistoric-anacapri-sub">
                                 <i class="fa fa-chevron-right"></i>
@@ -198,7 +198,7 @@
                         </span>
                     </li>
                     <li class="mt-3" data-list-id="prehistoric-capri-sub">
-                        <span class="is-clickable" data-action="click->menu#openSubList" data-list-id="prehistoric-capri-sub">
+                        <span role="button" class="is-clickable" data-action="click->menu#openSubList" data-list-id="prehistoric-capri-sub">
                             Capri
                             <span class="icon ml-2 is-small" data-list-id="prehistoric-capri-sub">
                                 <i class="fa fa-chevron-right"></i>
@@ -213,7 +213,7 @@
                     <span class="icon pr-1">
                         <img class="image" src="img/icons/subacquei_menu.png"/>
                     </span>
-                    <span data-action="click->menu#toggle" data-id="underwater">
+                    <span role="button" data-action="click->menu#toggle" data-id="underwater">
                         Giacimenti subacquei
                         <span class="icon pl-2">
                             <i class="fa fa-chevron-right" data-menu-target="icon" data-id="underwater"></i>