diff --git a/css/bootstrap.css b/css/bootstrap_TBD.css
old mode 100755
new mode 100644
similarity index 100%
rename from css/bootstrap.css
rename to css/bootstrap_TBD.css
diff --git a/index.html b/index.html
index 55b679ae41cf0517adb974865bd49eee36aefafd..e6281f29309097f2471079fe7aadaaa07a50a295 100755
--- a/index.html
+++ b/index.html
@@ -5,7 +5,7 @@
   <meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no">
   <title>Transferportal HfT Stuttgart</title>
   <link rel="stylesheet" href="/css/bootstrap.min.css">
-  <link rel="stylesheet" href="/css/bootstrap.css">
+  <link rel="stylesheet" href="/css/m4lab.css">
   <link rel="stylesheet" href="/fonts/ionicons.min.css">
   <link rel="stylesheet" href="/css/Testimonials.css">
   <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.2/css/all.css" integrity="sha384-oS3vJWv+0UjzBfQzYUhtDYW+Pj2yciDJxpsK1OYPAYjqT085Qq/1cq5FLXAZQ7Ay" crossorigin="anonymous">
diff --git a/videoconference.html b/videoconference.html
index f2656eef2043d13bb2f51264728bbf17d9df72cc..6fc99975274802316e73d268f2fb52af18b4f29a 100644
--- a/videoconference.html
+++ b/videoconference.html
@@ -6,7 +6,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no">
     <title>Videokonferenzen</title>
     <link rel="stylesheet" href="/css/bootstrap.min.css">
-    <link rel="stylesheet" href="/css/bootstrap.css">
+    <link rel="stylesheet" href="/css/m4lab.css">
     <link rel="stylesheet" href="/fonts/font-awesome.min.css">
     <link rel="stylesheet" href="/fonts/ionicons.min.css">
     <link rel="stylesheet" href="/css/Testimonials.css">