diff --git a/include/include_header.php b/include/include_header.php
new file mode 100644
index 0000000..5fd8966
--- /dev/null
+++ b/include/include_header.php
@@ -0,0 +1,24 @@
+<!doctype html>
+<html lang="nl">
+<head>
+  <meta charset="utf-8">
+  <title>FlowManager</title>
+  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
+  <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.5/font/bootstrap-icons.css" rel="stylesheet">
+  <style>
+    body { background: #f9f9f9; }
+    .navbar { background: #fff; border-bottom: 1px solid #ddd; }
+    .card { border-radius: 1rem; box-shadow: 0 2px 8px rgba(0,0,0,0.05); margin-bottom: 1rem; }
+    textarea { font-family: monospace; font-size: 0.85rem; }
+  </style>
+</head>
+<body>
+  <nav class="navbar navbar-expand-lg">
+    <div class="container">
+      <a class="navbar-brand fw-bold text-primary" href="index.php">
+        <i class="bi bi-diagram-3"></i> FlowManager
+      </a>
+    </div>
+  </nav>
+
+  
