diff --git a/phpBB/styles/prosilver/template/navbar_footer.html b/phpBB/styles/prosilver/template/navbar_footer.html
index 2f811d9103..7ddc3b6e00 100644
--- a/phpBB/styles/prosilver/template/navbar_footer.html
+++ b/phpBB/styles/prosilver/template/navbar_footer.html
@@ -1,8 +1,8 @@
 <div class="navbar">
 	<div class="inner">
 
-	<ul class="linklist bulletin">
-		<li class="small-icon icon-home breadcrumbs">
+	<ul id="nav-footer" class="linklist bulletin" role="menubar">
+		<li class="small-icon icon-home breadcrumbs" role="navigation">
 			<!-- IF U_SITE_HOME --><span class="crumb"><a href="{U_SITE_HOME}" data-navbar-reference="home">{L_SITE_HOME}</a></span><!-- ENDIF -->
 			<span class="crumb"><a href="{U_INDEX}" data-navbar-reference="index">{L_INDEX}</a></span>
 			<!-- EVENT overall_footer_breadcrumb_append -->
@@ -14,20 +14,14 @@
 		<!-- EVENT overall_footer_timezone_before -->
 		<li class="rightside">{S_TIMEZONE}</li>
 		<!-- EVENT overall_footer_timezone_after -->
-		<!-- IF not S_IS_BOT --><li class="small-icon icon-cookies rightside"><a href="{U_DELETE_COOKIES}" data-ajax="true" data-refresh="true">{L_DELETE_COOKIES}</a></li><!-- ENDIF -->
+		<!-- IF not S_IS_BOT --><li class="small-icon icon-delete-cookies rightside"><a href="{U_DELETE_COOKIES}" data-ajax="true" data-refresh="true" role="menuitem">{L_DELETE_COOKIES}</a></li><!-- ENDIF -->
 		<!-- EVENT overall_footer_teamlink_before -->
 
 		<!-- IF S_USER_LOGGED_IN and not S_IS_BOT -->
-			<!-- IF U_TEAM -->
-				<li class="small-icon icon-members rightside"><a href="{U_TEAM}">{L_THE_TEAM}</a></li>
-			<!-- ENDIF -->
-			<!-- IF S_DISPLAY_MEMBERLIST -->
-				<li class="small-icon icon-members rightside">
-					<a href="{U_MEMBERLIST}" title="{L_MEMBERLIST_EXPLAIN}">{L_MEMBERLIST}</a>
-				</li>
-			<!-- ENDIF -->
+			<!-- IF S_DISPLAY_MEMBERLIST --><li class="small-icon icon-members rightside"><a href="{U_MEMBERLIST}" title="{L_MEMBERLIST_EXPLAIN}" role="menuitem">{L_MEMBERLIST}</a></li><!-- ENDIF -->
+			<!-- IF U_TEAM --><li class="small-icon icon-team rightside"><a href="{U_TEAM}" role="menuitem">{L_THE_TEAM}</a></li><!-- ENDIF -->
 		<!-- ENDIF -->
-		<!-- IF U_CONTACT_US --><li class="small-icon icon-contact rightside"><a href="{U_CONTACT_US}">{L_CONTACT_US}</a></li><!-- ENDIF -->
+		<!-- IF U_CONTACT_US --><li class="small-icon icon-contact rightside"><a href="{U_CONTACT_US}" role="menuitem">{L_CONTACT_US}</a></li><!-- ENDIF -->
 
 		<!-- EVENT overall_footer_teamlink_after -->
 	</ul>
diff --git a/phpBB/styles/prosilver/template/navbar_header.html b/phpBB/styles/prosilver/template/navbar_header.html
index abbdefaf40..b9d886d178 100644
--- a/phpBB/styles/prosilver/template/navbar_header.html
+++ b/phpBB/styles/prosilver/template/navbar_header.html
@@ -1,27 +1,27 @@
-<div class="navbar">
+<div class="navbar" role="navigation">
 	<div class="inner">
 
-	<ul id="nav-main" class="linklist bulletin">
+	<ul id="nav-main" class="linklist bulletin" role="menubar">
 
 		<li id="quick-links" class="small-icon responsive-menu dropdown-container" data-skip-responsive="true">
 			<a href="#" class="responsive-menu-link dropdown-trigger">{L_QUICK_LINKS}</a>
 			<div class="dropdown hidden">
 				<div class="pointer"><div class="pointer-inner"></div></div>
-				<ul class="dropdown-contents">
+				<ul class="dropdown-contents" role="menu">
 					<!-- EVENT overall_header_quick_links_before -->
 					<li class="separator"></li>
 
 					<!-- IF S_USER_LOGGED_IN and not S_IS_BOT -->
-						<li class="small-icon icon-search-self"><a href="{U_SEARCH_SELF}">{L_SEARCH_SELF}</a></li>
+						<li class="small-icon icon-search-self"><a href="{U_SEARCH_SELF}" role="menuitem">{L_SEARCH_SELF}</a></li>
 					<!-- ENDIF -->
-					<li class="small-icon icon-search-unanswered"><a href="{U_SEARCH_UNANSWERED}">{L_SEARCH_UNANSWERED}</a></li>
+					<li class="small-icon icon-search-unanswered"><a href="{U_SEARCH_UNANSWERED}" role="menuitem">{L_SEARCH_UNANSWERED}</a></li>
 					<!-- IF S_LOAD_UNREADS --> 
-						<li class="small-icon icon-search-unread"><a href="{U_SEARCH_UNREAD}">{L_SEARCH_UNREAD}</a></li>
+						<li class="small-icon icon-search-unread"><a href="{U_SEARCH_UNREAD}" role="menuitem">{L_SEARCH_UNREAD}</a></li>
 					<!-- ENDIF -->
 					<!-- IF S_USER_LOGGED_IN -->
-						<li class="small-icon icon-search-new"><a href="{U_SEARCH_NEW}">{L_SEARCH_NEW}</a></li>
+						<li class="small-icon icon-search-new"><a href="{U_SEARCH_NEW}" role="menuitem">{L_SEARCH_NEW}</a></li>
 					<!-- ENDIF -->
-					<li class="small-icon icon-search-active"><a href="{U_SEARCH_ACTIVE_TOPICS}">{L_SEARCH_ACTIVE_TOPICS}</a></li>
+					<li class="small-icon icon-search-active"><a href="{U_SEARCH_ACTIVE_TOPICS}" role="menuitem">{L_SEARCH_ACTIVE_TOPICS}</a></li>
 
 					<li class="separator"></li>
 					<!-- EVENT overall_header_quick_links_after -->
@@ -29,14 +29,14 @@
 			</div>
 		</li>
 		<!-- IF S_REGISTERED_USER and U_ACP -->
-			<li class="small-icon icon-acp" data-skip-responsive="true"><a href="{U_ACP}" title="{L_ACP}">{L_ACP_SHORT}</a></li>
+			<li class="small-icon icon-acp" data-skip-responsive="true"><a href="{U_ACP}" title="{L_ACP}" role="menuitem">{L_ACP_SHORT}</a></li>
 		<!-- ENDIF -->
 		<!-- IF S_REGISTERED_USER and U_MCP -->
-			<li class="small-icon icon-mcp" data-skip-responsive="true"><a href="{U_MCP}" title="{L_MCP}">{L_MCP_SHORT}</a></li>
+			<li class="small-icon icon-mcp" data-skip-responsive="true"><a href="{U_MCP}" title="{L_MCP}" role="menuitem">{L_MCP_SHORT}</a></li>
 		<!-- ENDIF -->
 
 		<!-- EVENT overall_header_navigation_prepend -->
-		<li class="small-icon icon-faq"<!-- IF not S_USER_LOGGED_IN and not S_IS_BOT --> data-skip-responsive="true"<!-- ENDIF -->><a href="{U_FAQ}" title="{L_FAQ_EXPLAIN}">{L_FAQ}</a></li>
+		<li class="small-icon icon-faq"<!-- IF not S_USER_LOGGED_IN and not S_IS_BOT --> data-skip-responsive="true"<!-- ENDIF -->><a href="{U_FAQ}" title="{L_FAQ_EXPLAIN}" role="menuitem">{L_FAQ}</a></li>
 		<!-- EVENT overall_header_navigation_append -->
 
 	<!-- IF S_USER_LOGGED_IN and not S_IS_BOT -->
@@ -44,24 +44,24 @@
 			<a href="{U_PROFILE}" class="header-avatar dropdown-trigger"><!-- IF CURRENT_USER_AVATAR -->{CURRENT_USER_AVATAR} <!-- ENDIF -->{CURRENT_USERNAME_CLEAN}</a>
 			<div class="dropdown hidden">
 				<div class="pointer"><div class="pointer-inner"></div></div>
-				<ul class="dropdown-contents">
+				<ul class="dropdown-contents" role="menu">
 					<!-- IF U_RESTORE_PERMISSIONS --><li class="small-icon icon-restore-permissions"><a href="{U_RESTORE_PERMISSIONS}">{L_RESTORE_PERMISSIONS}</a></li><!-- ENDIF -->
 
 					<!-- EVENT overall_header_profile_list_before -->
 
-					<li class="small-icon icon-ucp"><a href="{U_PROFILE}" title="{L_PROFILE}">{L_PROFILE}</a></li>
-					<li class="small-icon icon-profile"><a href="{U_USER_PROFILE}" title="{L_READ_PROFILE}">{L_READ_PROFILE}</a></li>
+					<li class="small-icon icon-ucp"><a href="{U_PROFILE}" title="{L_PROFILE}" role="menuitem">{L_PROFILE}</a></li>
+					<li class="small-icon icon-profile"><a href="{U_USER_PROFILE}" title="{L_READ_PROFILE}" role="menuitem">{L_READ_PROFILE}</a></li>
 
 					<!-- EVENT overall_header_profile_list_after -->
 
 					<li class="separator"></li>
-					<li class="small-icon icon-logout"><a href="{U_LOGIN_LOGOUT}" title="{L_LOGIN_LOGOUT}" accesskey="x">{L_LOGIN_LOGOUT}</a></li>
+					<li class="small-icon icon-logout"><a href="{U_LOGIN_LOGOUT}" title="{L_LOGIN_LOGOUT}" accesskey="x" role="menuitem">{L_LOGIN_LOGOUT}</a></li>
 				</ul>
 			</div>
 		</li>
 		<!-- IF S_DISPLAY_PM -->
 			<li class="small-icon icon-pm rightside" data-skip-responsive="true">
-				<a href="{U_PRIVATEMSGS}"><span>{L_PRIVATE_MESSAGES} [</span><strong>{PRIVATE_MESSAGE_COUNT}</strong><span>]</span></a>
+				<a href="{U_PRIVATEMSGS}" role="menuitem"><span>{L_PRIVATE_MESSAGES} [</span><strong>{PRIVATE_MESSAGE_COUNT}</strong><span>]</span></a>
 			</li>
 		<!-- ENDIF -->
 		<!-- IF S_NOTIFICATIONS_DISPLAY -->
@@ -73,16 +73,16 @@
 	<!-- ENDIF -->
 
 	<!-- IF not S_USER_LOGGED_IN and not S_IS_BOT -->
-		<li class="small-icon icon-logout rightside"  data-skip-responsive="true"><a href="{U_LOGIN_LOGOUT}" title="{L_LOGIN_LOGOUT}" accesskey="x">{L_LOGIN_LOGOUT}</a></li>
+		<li class="small-icon icon-logout rightside"  data-skip-responsive="true"><a href="{U_LOGIN_LOGOUT}" title="{L_LOGIN_LOGOUT}" accesskey="x" role="menuitem">{L_LOGIN_LOGOUT}</a></li>
 		<!-- IF S_REGISTER_ENABLED and not (S_SHOW_COPPA or S_REGISTRATION) -->
-			<li class="small-icon icon-register rightside" data-skip-responsive="true"><a href="{U_REGISTER}">{L_REGISTER}</a></li>
+			<li class="small-icon icon-register rightside" data-skip-responsive="true"><a href="{U_REGISTER}" role="menuitem">{L_REGISTER}</a></li>
 		<!-- ENDIF -->
 	<!-- ENDIF -->
 	</ul>
 
-	<ul id="nav-breadcrumbs" class="linklist navlinks">
+	<ul id="nav-breadcrumbs" class="linklist navlinks" role="menubar">
 		<!-- DEFINE $MICRODATA = ' itemtype="http://data-vocabulary.org/Breadcrumb" itemscope=""' -->
-		<li class="small-icon icon-home breadcrumbs">
+		<li class="small-icon icon-home breadcrumbs" role="navigation">
 			<!-- IF U_SITE_HOME --><span class="crumb"><a href="{U_SITE_HOME}"{$MICRODATA}>{L_SITE_HOME}</a></span><!-- ENDIF -->
 			<span class="crumb"><a href="{U_INDEX}" accesskey="h"{$MICRODATA}>{L_INDEX}</a></span>
 			<!-- BEGIN navlinks -->
@@ -94,7 +94,7 @@
 		</li>
 
 		<!-- IF S_DISPLAY_SEARCH and not S_IN_SEARCH -->
-			<li class="rightside responsive-search" style="display: none;"><a href="{U_SEARCH}" title="{L_SEARCH_ADV_EXPLAIN}">{L_SEARCH}</a></li>
+			<li class="rightside responsive-search" style="display: none;"><a href="{U_SEARCH}" title="{L_SEARCH_ADV_EXPLAIN}" role="menuitem">{L_SEARCH}</a></li>
 		<!-- ENDIF -->
 	</ul>
 
diff --git a/phpBB/styles/prosilver/theme/images/icon_cookies.gif b/phpBB/styles/prosilver/theme/images/icon_delete_cookies.gif
similarity index 100%
rename from phpBB/styles/prosilver/theme/images/icon_cookies.gif
rename to phpBB/styles/prosilver/theme/images/icon_delete_cookies.gif