diff --git a/.htaccess b/.htaccess
new file mode 100644
index 00000000..88d9b065
--- /dev/null
+++ b/.htaccess
@@ -0,0 +1,8 @@
+# Cache le PHPSESSID de l'url
+SetEnv SESSION_USE_TRANS_SID 0
+
+# Bloque l'accès à la liste des fichiers
+Options -Indexes
+
+# Attention, surtout ne rien modifier ci-dessous !
+# URL rewriting
\ No newline at end of file
diff --git a/core/core.php b/core/core.php
index e1f2a90a..0dfffdb8 100644
--- a/core/core.php
+++ b/core/core.php
@@ -24,7 +24,7 @@ class common {
 	const GROUP_MEMBER = 1;
 	const GROUP_MODERATOR = 2;
 	const GROUP_ADMIN = 3;
-	const ZWII_VERSION = '8.4.0';
+	const ZWII_VERSION = '8.4.1';
 
 	public static $actions = [];
 	public static $coreModuleIds = [
@@ -904,7 +904,7 @@ class common {
 			$this->setData(['theme','footer','socialsPosition','1']);
 			$this->setData(['theme','footer','textPosition','2']);			
 			$this->setData(['theme','footer','copyrightPosition','3']);			
-			$this->setData(['config','ItemsperPage','10']);
+			$this->setData(['config','ItemsperPage',10]);
 			$this->setData(['core', 'dataVersion', 840]);
 			$this->SaveData();
 		}
diff --git a/core/layout/common.css b/core/layout/common.css
index 1f7d7d19..77f45837 100755
--- a/core/layout/common.css
+++ b/core/layout/common.css
@@ -76,8 +76,8 @@ ol {
 
 /* Image */
 img {
-	max-width: 100%;
-	height: auto;
+	max-width: 100% !important; 
+	height: auto !important;
 }
 img[align='left'] {
 	margin-right: 10px;
@@ -311,6 +311,11 @@ header .container {
 	height: 100%;
 }
 
+/* Bannière image responsive */
+.responsive-banner img {
+		display:block; width:100%;
+}
+
 /* Menu */
 body > nav {
 	margin: 0 -10px;
@@ -1044,4 +1049,4 @@ th.col12 {
 }
 .colorOrange {
 	color: #F39C12;
-}
\ No newline at end of file
+}
diff --git a/core/layout/main.php b/core/layout/main.php
index fd3cd7dc..29256e26 100755
--- a/core/layout/main.php
+++ b/core/layout/main.php
@@ -25,8 +25,7 @@
 		<div id="menu" class="
 		<?php if($this->getData(['theme', 'menu', 'position']) === 'body-top'){echo 'container-large';}else{echo'container';}
 		?>">
-
-			<?php $layout->showMenu(); ?>
+		<?php $layout->showMenu(); ?>
 		</div>
 	</nav>
 <?php endif; ?>
@@ -244,4 +243,4 @@
 <?php $layout->showAnalytics(); ?>
 <?php $layout->showScript(); ?>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/core/module/theme/view/header/header.php b/core/module/theme/view/header/header.php
index 081d32e9..4c37bc58 100755
--- a/core/module/theme/view/header/header.php
+++ b/core/module/theme/view/header/header.php
@@ -38,6 +38,7 @@
 			<div class="block">
 				<h4>Image</h4>
 				<?php echo template::file('themeHeaderImage', [
+					'help' => 'Si vous souhaitez une bannière vraiment responsive, composez une image aux dimensions prévues par Zwii avec titre, logo, slogan, etc. et choisissez la position « Cachée ».',
 					'label' => 'Fond',
 					'type' => 1,
 					'value' => $this->getData(['theme', 'header', 'image'])