diff --git a/Theme/Backend/event-create.tpl.php b/Theme/Backend/event-create.tpl.php
index dd2c14f..accde96 100644
--- a/Theme/Backend/event-create.tpl.php
+++ b/Theme/Backend/event-create.tpl.php
@@ -20,7 +20,7 @@
 echo $this->getData('nav')->render(); ?>
 
 <section class="box w-50">
-    <h1><?= $this->l11n->lang['Marketing']['Event'] ?></h1>
+    <header><h1><?= $this->l11n->lang['Marketing']['Event'] ?></h1></header>
     <div class="inner">
         <form action="<?= \phpOMS\Uri\UriFactory::build('/{/lang}/api/reporter/template'); ?>" method="post">
             <table class="layout wf-100">
diff --git a/Theme/Backend/event-list.tpl.php b/Theme/Backend/event-list.tpl.php
index 207154f..0f562b6 100644
--- a/Theme/Backend/event-list.tpl.php
+++ b/Theme/Backend/event-list.tpl.php
@@ -21,7 +21,7 @@ $footerView->setPage(1);
 
 echo $this->getData('nav')->render(); ?>
 
-<section class="box w-100">
+<div class="box w-100">
     <table class="table">
         <caption><?= $this->l11n->lang['Marketing']['Events'] ?></caption>
         <thead>
@@ -45,4 +45,4 @@ echo $this->getData('nav')->render(); ?>
         <tr><td colspan="9" class="empty"><?= $this->l11n->lang[0]['Empty']; ?>
                 <?php endif; ?>
     </table>
-</section>
+</div>
diff --git a/Theme/Backend/promotion-create.tpl.php b/Theme/Backend/promotion-create.tpl.php
index cffd590..8b5d98b 100644
--- a/Theme/Backend/promotion-create.tpl.php
+++ b/Theme/Backend/promotion-create.tpl.php
@@ -20,7 +20,7 @@
 echo $this->getData('nav')->render(); ?>
 
 <section class="box w-50">
-    <h1><?= $this->l11n->lang['Marketing']['Promotion'] ?></h1>
+    <header><h1><?= $this->l11n->lang['Marketing']['Promotion'] ?></h1></header>
     <div class="inner">
         <form action="<?= \phpOMS\Uri\UriFactory::build('/{/lang}/api/reporter/template'); ?>" method="post">
             <table class="layout wf-100">
diff --git a/Theme/Backend/promotion-list.tpl.php b/Theme/Backend/promotion-list.tpl.php
index 4401630..3d13e72 100644
--- a/Theme/Backend/promotion-list.tpl.php
+++ b/Theme/Backend/promotion-list.tpl.php
@@ -21,7 +21,7 @@ $footerView->setPage(1);
 
 echo $this->getData('nav')->render(); ?>
 
-<section class="box w-100">
+<div class="box w-100">
     <table class="table">
         <caption><?= $this->l11n->lang['Marketing']['Events'] ?></caption>
         <thead>
@@ -43,4 +43,4 @@ echo $this->getData('nav')->render(); ?>
         <tr><td colspan="7" class="empty"><?= $this->l11n->lang[0]['Empty']; ?>
                 <?php endif; ?>
     </table>
-</section>
+</div>