diff --git a/public/home/chapters/04_nachhaltig.html b/public/home/chapters/04_nachhaltig.html
index 5cf341aa116a47314ad860fbb8cd8b952c726bee..b63b7c0c5daee0c328cb02ce85946523d6ec93a8 100644
--- a/public/home/chapters/04_nachhaltig.html
+++ b/public/home/chapters/04_nachhaltig.html
@@ -8,10 +8,11 @@
<title>ZUKUNFT STADT LABOR</title>
<link rel="icon" type="image/x-icon" href="../../assets/images/Favicon_small.ico">
<link rel="stylesheet" href="../../assets/css/normalize.css">
- <link rel="stylesheet" href="../../assets/css/typeface.css">
+
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.2/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.2/dist/js/bootstrap.bundle.min.js"></script>
<link rel="stylesheet" href="../../assets/css/main.css">
+ <link rel="stylesheet" href="../../assets/css/typeface.css">
</head>
<body>