diff --git a/build/index.html b/build/index.html
index b0f2adf..72dac30 100644
--- a/build/index.html
+++ b/build/index.html
@@ -1 +1,28 @@
-<!doctype html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name="theme-color" content="#000000"><link rel="manifest" href="/manifest.json"><link rel="shortcut icon" href="/favicon.ico"><title>React App</title><script defer="defer" src="/static/js/main.252afd1b.js"></script><link href="/static/css/main.fc5c2c69.css" rel="stylesheet"></head><body><noscript>You need to enable JavaScript to run this app.</noscript><div id="root"></div></body></html>
\ No newline at end of file
+<!doctype html>
+<html lang="en">
+    <head>
+        <!-- Google Tag Manager -->
+        <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+})(window,document,'script','dataLayer','GTM-PBNS8K3W');</script>
+<!-- End Google Tag Manager -->
+        <meta charset="utf-8">
+        <meta name="viewport" content="width=device-width,initial-scale=1,shrink-to-fit=no">
+        <meta name="theme-color" content="#000000">
+        <link rel="manifest" href="/manifest.json">
+        <link rel="shortcut icon" href="/favicon.ico">
+        <title>React App</title>
+        <script defer="defer" src="/static/js/main.252afd1b.js"></script>
+        <link href="/static/css/main.fc5c2c69.css" rel="stylesheet">
+    </head>
+    <body>
+        <!-- Google Tag Manager (noscript) -->
+<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PBNS8K3W"
+height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
+<!-- End Google Tag Manager (noscript) -->
+        <noscript>You need to enable JavaScript to run this app.</noscript>
+        <div id="root"></div>
+    </body>
+</html>
\ No newline at end of file
diff --git a/public/index.html b/public/index.html
index 87fd5be..38943dd 100644
--- a/public/index.html
+++ b/public/index.html
@@ -2,6 +2,13 @@
 <html lang="en">
 
 <head>
+  <!-- Google Tag Manager -->
+<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+})(window,document,'script','dataLayer','GTM-PBNS8K3W');</script>
+<!-- End Google Tag Manager -->
 	<meta charset="utf-8">
 	<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 	<meta name="theme-color" content="#000000">
@@ -27,6 +34,10 @@
 </head>
 
 <body>
+<!-- Google Tag Manager (noscript) -->
+<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PBNS8K3W"
+height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
+<!-- End Google Tag Manager (noscript) -->
 	<noscript>
 		You need to enable JavaScript to run this app.
 	</noscript>
diff --git a/src/App.js b/src/App.js
index 5232cdc..a92ee58 100644
--- a/src/App.js
+++ b/src/App.js
@@ -14,7 +14,7 @@ export default function App() {
 
   return (
     <div className="App">
-      <select value={language} onChange={handleLanguageChange}>
+      <select value={language} onChange={handleLanguageChange} className="langSwitch">
         <option value="en">EN</option>
         <option value="de">DE</option>
         <option value="ukr">UKR</option>
diff --git a/src/components/AppDe.js b/src/components/AppDe.js
index d868531..cbf9010 100644
--- a/src/components/AppDe.js
+++ b/src/components/AppDe.js
@@ -7,7 +7,7 @@ export default function AppDe() {
       <div className="maincontainer">
         <Header />
         <MyTabs />
-        <h1>Hallo</h1>
+        <h1>Hallo. WIe geht es?</h1>
       </div>
     </div>
   );
diff --git a/src/styles.css b/src/styles.css
index fcb5ca7..aa9815e 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -69,6 +69,11 @@ html {
   width: 300px;
 }
 
+.langSwitch {
+  margin-top: 10px;
+  margin-left: 10px;
+}
+
 @media screen and (max-width: 600px) {
   .title {
     grid-template-columns: 1fr;
