diff --git a/includes/db.php b/includes/db.php
new file mode 100644
index 0000000..2e41307
--- /dev/null
+++ b/includes/db.php
@@ -0,0 +1,13 @@
+<?php
+$host = 'localhost';
+$dbname = 'cms_simplifie';
+$username = 'root';
+$password = '';
+
+try {
+    $pdo = new PDO("mysql:host=$host;dbname=$dbname;charset=utf8", $username, $password);
+    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+} catch (PDOException $e) {
+    die("Erreur de connexion : " . $e->getMessage());
+}
+?>
diff --git a/includes/footer.php b/includes/footer.php
new file mode 100644
index 0000000..2867ec5
--- /dev/null
+++ b/includes/footer.php
@@ -0,0 +1,6 @@
+<hr>
+<footer>
+  <p>&copy; 2025 - Mon CMS Simplifié</p>
+</footer>
+</body>
+</html>
diff --git a/includes/header.php b/includes/header.php
new file mode 100644
index 0000000..c951a46
--- /dev/null
+++ b/includes/header.php
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+  <meta charset="UTF-8">
+  <title>Mon CMS Simplifié</title>
+  <link rel="stylesheet" href="style.css">
+</head>
+<body>
+<header>
+  <h1><a href="index.php">Mon CMS Simplifié</a></h1>
+  <hr>
+</header>
