diff --git a/README.md b/README.md
index 4dcdcb5380c8c4ced2afc9e2e6d923dcb0645aec..d3a901ed0f0fda396adc0a5338fb5b353ce68ab0 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 A small mediawiki extension to have a variable to know if the user is connected or not.
 
-    Version 0.3
+    Version 0.4
     Mathieu Loiseau
 
 This is free software licensed under the GNU General Public License. Please
@@ -16,7 +16,7 @@ Connected is an extension to MediaWiki that provides elements to adapt the conte
 The extension defines the following parser functions and variables:
 * ``LOGGEDIN`` : ``1`` if the user is logged in, ``0`` otherwise ;
 * ``USERNAME`` : the user's screen name, if they are logged in, their ip address otherwise ;
-* ``#ifloggedin`` : displays the first parameter if the user is logged in, the second otherwise.
+* ``#ifloggedin`` : displays the first parameter if the user is logged in, the second otherwise. If a third parameter is provided, it can specify that this text should not be included in a div (which is default).
 
 The extension hides the sidebar for not logged in users.
 
@@ -31,3 +31,6 @@ your `LocalSettings.php` file:
 ```php
     wfLoadExtension( 'Connected' );
 ```
+## Configuration
+* `$wgConnectedPrivateCSSClass` : css class for loggedIn content
+* `$wgConnectedPublicCSSClass` : css class for not loggedIn content
diff --git a/extension.json b/extension.json
index 22a6042c112e4a068d194c52ee859c95302e8b7f..78d900a20f4a9b9e817607900d7a7e3deee19362 100644
--- a/extension.json
+++ b/extension.json
@@ -1,7 +1,7 @@
 {
 	"name": "Connected",
 	"author": "Mathieu Loiseau",
-	"version": "0.2",
+	"version": "0.4",
 	"url": "https://gitlab.liris.cnrs.fr/mloiseau/mw_connected",
 	"license-name": "GPL-2.0-or-later",
 	"descriptionmsg": "connected-desc",
@@ -28,5 +28,18 @@
 		"SidebarBeforeOutput": "ConnectedHooks::lfHideSidebar",
 		"BeforePageDisplay": "ConnectedHooks::add_NotLoggedIncss"
 	},
-	"manifest_version": 1
+	"config": {
+		"ConnectedPrivateCSSClass": {
+			"value": "",
+			"description": "If not empty, puts every ifLoggedIn wiki code in a div with the said class (unless notDiv parameter is provided)."
+		},
+		"ConnectedPublicCSSClass": {
+			"value": "",
+			"description": "If not empty, puts every ifNotLoggedIn wiki code in a div with the said class (unless notDiv parameter is provided)."
+		}
+	},
+	"ConfigRegistry": {
+		"Connected": "GlobalVarConfig::newInstance"
+	},
+	"manifest_version": 2
 }
diff --git a/src/Connected.php b/src/Connected.php
index 9cce7b632846cd902d5460051712660cd819851b..fea83644900a062efdd00147a1199cf8e206eb34 100755
--- a/src/Connected.php
+++ b/src/Connected.php
@@ -7,14 +7,22 @@
  * @link		https://gitlab.liris.cnrs.fr/mloiseau/mw_connected
  *
  **/
+ use MediaWiki\MediaWikiServices;
 
 class ConnectedHooks {
 	private static $user = false;
+	private static $privateCSSClass = false;
+	private static $publicCSSClass = false;
 
 	// Register any render callbacks with the parser
 	public static function onParserFirstCallInit( Parser $parser ) {
 		// Create a function hook associating the "example" magic word with renderExample()
 		$parser->setFunctionHook( 'iflogged', [ self::class, 'ifConnectedRender' ] );
+		// Get the $wgConnectedPrivateCSSClass configured value
+		if (self::$privateCSSClass === false){
+			self::$privateCSSClass = MediaWikiServices::getInstance()->getMainConfig()->get( 'ConnectedPrivateCSSClass' );
+			self::$publicCSSClass = MediaWikiServices::getInstance()->getMainConfig()->get( 'ConnectedPublicCSSClass' );
+		}
 	}
 
 	//try to get the user anyway I can
@@ -32,17 +40,26 @@ class ConnectedHooks {
 	}
 
 	// Render the output of {{#ifloggedin:}} i.e. iflogged function.
-	public static function ifConnectedRender( Parser $parser, $ifLoggedIn = '', $ifNot = '') {
+	//isDiv is tested to see if it is a div with a class…
+	public static function ifConnectedRender( Parser $parser, $ifLoggedIn = '', $ifNot = '', $isDiv='') {
 		// The input parameters are wikitext with templates expanded.
 		// The output should be wikitext too.
 		$parser->getOutput()->updateCacheExpiry( 0 );
 		self::get_user($parser);
 
+
+
 		if (self::is_registered()) {
 			$output = $ifLoggedIn;
+			if (($isDiv == '') && (self::$privateCSSClass != '')){
+				$output = "<div class='".self::$privateCSSClass."'>".$output."</div>";
+			}
 		}
 		else{
 			$output = $ifNot;
+			if (($isDiv == '') && (self::$publicCSSClass != '')){
+				$output = "<div class='".self::$publicCSSClass."'>".$output."</div>";
+			}
 		}
 		return [$output, 'noparse' => false ];
 	}