diff --git a/Database.php b/Database.php
index 1b39704..331edd1 100644
--- a/Database.php
+++ b/Database.php
@@ -62,10 +62,10 @@ class Database {
 
       header("Location: /profile");
     } else {
-      echo "Anmeldung fehlgeschlagen!";
+      echo '<script>alert("Anmeldung fehlgeschlagen!");</script>';
     }
   } else {
-    echo "Anmeldung fehlgeschlagen!";
+    echo '<script>alert("Anmeldung fehlgeschlagen!");</script>';
   } 
   }
 
diff --git a/views/403.php b/views/403.php
index 1729868..4cd3642 100644
--- a/views/403.php
+++ b/views/403.php
@@ -1,10 +1,10 @@
 <?php require ('partials/head.php') ?>
 <?php require ('partials/nav.php') ?>
-  <main>
-    <div class="mx-auto max-w-7xl py-6 sm:px-6 lg:px-8">
-      <h1 class="text-2xl font-bold">Unauthorized</h1>
+<main class="container" style="display: flex;">
+    <div> 
+      <h1>Unauthorized</h1>
       <p class="mt-4">
-        <a href="/" class="text-blue underline">Go back home.</a>
+        <a href="/">Go back home.</a>
       </p>
     </div>
   </main>
diff --git a/views/404.php b/views/404.php
index 85740ed..984f97d 100644
--- a/views/404.php
+++ b/views/404.php
@@ -1,12 +1,12 @@
 <?php require ('partials/head.php') ?>
 <?php require ('partials/nav.php') ?>
 <?php require ('partials/banner.php') ?>
-  <main>
-    <div class="mx-auto max-w-7xl py-6 sm:px-6 lg:px-8">
-      <h1 class="text-2xl font-bold">Sorry. Page Not Found.</h1>
-      <p class="mt-4">
-        <a href="/" class="text-blue underline">Go back home.</a>
+<main class="container" style="display: flex; text-align: center;">
+    <div >
+      <h1 >Sorry. Page Not Found.</h1>
+      <p >
+        <a href="/" >Go back home.</a>
       </p>
     </div>
   </main>
-<?php require ('partials/footer.php') ?>
\ No newline at end of file
+<?php require ('partials/footer.php') ?>