diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..7cd6ab3b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,33 @@
+# Fichiers temporaires
+site/tmp/*.zip
+site/tmp/*.gz
+
+# Sauvegardes
+site/backup/*
+
+# Fichiers de données
+site/data/*.json
+site/data/*.css
+site/data/fr/*.json
+
+
+# Fichiers uploadés
+site/file/source/*
+site/file/thumb/*
+
+# Dossiers vides dans GitHub
+!.gitkeep
+/.git
+
+# PHPStorm
+.idea/
+
+# Trucs
+core/vendor/tinymce/link_list.json
+site/tmp/.htaccess
+.vscode/*
+site/data/body.inc.html
+site/data/head.inc.html
+sitemap.xml.gz
+sitemap.xml
+robots.txt
diff --git a/core/core.php b/core/core.php
index 38e7bf5e..0c949947 100644
--- a/core/core.php
+++ b/core/core.php
@@ -1105,11 +1105,19 @@ class common {
 			$this->setData(['config', 'proxyType', 'tcp://' ]);
 			$this->setData(['core', 'dataVersion', 9223]);
 		}	
+		// Version 9.3.00
+		if($this->getData(['core', 'dataVersion']) < 9300) {
+			// Forcer la régénération du thème
+			if (file_exists(self::DATA_DIR.'theme.css') === false) {
+				unlink (self::DATA_DIR.'theme.css');
+			}
+			$this->setData(['core', 'dataVersion', 9300]);
+		}			
 		// Version 10.0.00
 		if($this->getData(['core', 'dataVersion']) < 10000) {
 			$this->setData(['config', 'faviconDark','faviconDark.ico']);
 			$this->setData(['core', 'dataVersion', 10000]);	
-		}		
+		}	
 	}
 }