diff --git a/phpBB/styles/prosilver/template/navbar_footer.html b/phpBB/styles/prosilver/template/navbar_footer.html
index 4a9275c898..b5a705d567 100644
--- a/phpBB/styles/prosilver/template/navbar_footer.html
+++ b/phpBB/styles/prosilver/template/navbar_footer.html
@@ -1,4 +1,4 @@
-<div class="navbar">
+<div class="navbar" role="navigation">
 	<div class="inner">
 
 	<ul id="nav-footer" class="linklist bulletin" role="menubar">
diff --git a/phpBB/styles/prosilver/template/overall_footer.html b/phpBB/styles/prosilver/template/overall_footer.html
index 6f35d0e80b..8749ce60e8 100644
--- a/phpBB/styles/prosilver/template/overall_footer.html
+++ b/phpBB/styles/prosilver/template/overall_footer.html
@@ -3,7 +3,7 @@
 
 <!-- EVENT overall_footer_page_body_after -->
 
-<div id="page-footer">
+<div id="page-footer" role="contentinfo">
 	<!-- INCLUDE navbar_footer.html -->
 
 	<div class="copyright">
diff --git a/phpBB/styles/prosilver/template/overall_header.html b/phpBB/styles/prosilver/template/overall_header.html
index 869dedf8bb..c4dbb6a035 100644
--- a/phpBB/styles/prosilver/template/overall_header.html
+++ b/phpBB/styles/prosilver/template/overall_header.html
@@ -59,7 +59,7 @@
 <div id="wrap">
 	<a id="top" class="anchor" accesskey="t"></a>
 	<div id="page-header">
-		<div class="headerbar">
+		<div class="headerbar" role="banner">
 			<div class="inner">
 
 			<div id="site-description">
@@ -71,7 +71,7 @@
 
 			<!-- EVENT overall_header_searchbox_before -->
 			<!-- IF S_DISPLAY_SEARCH and not S_IN_SEARCH -->
-			<div id="search-box" class="search-box search-header">
+			<div id="search-box" class="search-box search-header" role="search">
 				<form action="{U_SEARCH}" method="get" id="search">
 				<fieldset>
 					<input name="keywords" id="keywords" type="search" maxlength="128" title="{L_SEARCH_KEYWORDS}" class="inputbox search tiny" size="20" value="{SEARCH_WORDS}" placeholder="{L_SEARCH_MINI}" />
@@ -92,7 +92,7 @@
 	<!-- EVENT overall_header_page_body_before -->
 
 	<a id="start_here" class="anchor"></a>
-	<div id="page-body">
+	<div id="page-body" role="main">
 		<!-- IF S_BOARD_DISABLED and S_USER_LOGGED_IN and (U_MCP or U_ACP) -->
 		<div id="information" class="rules">
 			<div class="inner">
diff --git a/phpBB/styles/prosilver/template/search_results.html b/phpBB/styles/prosilver/template/search_results.html
index 2767eb85a3..f76afe3767 100644
--- a/phpBB/styles/prosilver/template/search_results.html
+++ b/phpBB/styles/prosilver/template/search_results.html
@@ -19,7 +19,7 @@
 	<div class="action-bar top">
 
 	<!-- IF TOTAL_MATCHES > 0 -->
-		<div class="search-box">
+		<div class="search-box" role="search">
 			<form method="post" action="{S_SEARCH_ACTION}">
 			<fieldset>
 				<input class="inputbox search tiny" type="search" name="add_keywords" id="add_keywords" value="" placeholder="{L_SEARCH_IN_RESULTS}" />
diff --git a/phpBB/styles/prosilver/template/simple_footer.html b/phpBB/styles/prosilver/template/simple_footer.html
index d5d0f45fa9..123f8992f2 100644
--- a/phpBB/styles/prosilver/template/simple_footer.html
+++ b/phpBB/styles/prosilver/template/simple_footer.html
@@ -1,6 +1,6 @@
 	</div>
 
-	<div class="copyright">{CREDIT_LINE}
+	<div class="copyright" role="contentinfo">{CREDIT_LINE}
 		<!-- IF TRANSLATION_INFO --><br />{TRANSLATION_INFO}<!-- ENDIF -->
 		<!-- IF DEBUG_OUTPUT --><br />{DEBUG_OUTPUT}<!-- ENDIF -->
 	</div>
diff --git a/phpBB/styles/prosilver/template/simple_header.html b/phpBB/styles/prosilver/template/simple_header.html
index b00a78c835..ab4f855a97 100644
--- a/phpBB/styles/prosilver/template/simple_header.html
+++ b/phpBB/styles/prosilver/template/simple_header.html
@@ -36,4 +36,4 @@
 
 <div id="wrap">
 	<a id="top" class="anchor" accesskey="t"></a>
-	<div id="page-body">
+	<div id="page-body" role="main">
diff --git a/phpBB/styles/prosilver/template/viewforum_body.html b/phpBB/styles/prosilver/template/viewforum_body.html
index 43e994f1f9..a0a0cd547a 100644
--- a/phpBB/styles/prosilver/template/viewforum_body.html
+++ b/phpBB/styles/prosilver/template/viewforum_body.html
@@ -50,7 +50,7 @@
 	<!-- ENDIF -->
 
 	<!-- IF S_DISPLAY_SEARCHBOX -->
-		<div class="search-box">
+		<div class="search-box" role="search">
 			<form method="get" id="forum-search" action="{S_SEARCHBOX_ACTION}">
 			<fieldset>
 				<input class="inputbox search tiny" type="search" name="keywords" id="search_keywords" size="20" placeholder="{L_SEARCH_FORUM}" />
diff --git a/phpBB/styles/prosilver/template/viewtopic_body.html b/phpBB/styles/prosilver/template/viewtopic_body.html
index d39645cbe2..5b8078877e 100644
--- a/phpBB/styles/prosilver/template/viewtopic_body.html
+++ b/phpBB/styles/prosilver/template/viewtopic_body.html
@@ -42,7 +42,7 @@
 	<!-- INCLUDE viewtopic_topic_tools.html -->
 
 	<!-- IF S_DISPLAY_SEARCHBOX -->
-		<div class="search-box">
+		<div class="search-box" role="search">
 			<form method="get" id="topic-search" action="{S_SEARCHBOX_ACTION}">
 			<fieldset>
 				<input class="inputbox search tiny"  type="search" name="keywords" id="search_keywords" size="20" placeholder="{L_SEARCH_TOPIC}" />