diff --git a/src/Backend/Modules/Pages/Installer/Data/bg/404.txt b/src/Backend/Modules/Pages/Installer/Data/bg/404.txt
index 0005bdba92..ae3d1f9dba 100644
--- a/src/Backend/Modules/Pages/Installer/Data/bg/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/bg/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>This page doesn't exist or is not accessible at this time.</p>
-<a href="/">Go to home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">This page doesn't exist or is not accessible at this time.</p>
+<a href="/" class="btn btn-primary">Go to home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/cs/404.txt b/src/Backend/Modules/Pages/Installer/Data/cs/404.txt
index 0005bdba92..ae3d1f9dba 100644
--- a/src/Backend/Modules/Pages/Installer/Data/cs/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/cs/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>This page doesn't exist or is not accessible at this time.</p>
-<a href="/">Go to home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">This page doesn't exist or is not accessible at this time.</p>
+<a href="/" class="btn btn-primary">Go to home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/de/404.txt b/src/Backend/Modules/Pages/Installer/Data/de/404.txt
index 0005bdba92..ae3d1f9dba 100644
--- a/src/Backend/Modules/Pages/Installer/Data/de/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/de/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>This page doesn't exist or is not accessible at this time.</p>
-<a href="/">Go to home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">This page doesn't exist or is not accessible at this time.</p>
+<a href="/" class="btn btn-primary">Go to home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/el/404.txt b/src/Backend/Modules/Pages/Installer/Data/el/404.txt
index 0005bdba92..ae3d1f9dba 100644
--- a/src/Backend/Modules/Pages/Installer/Data/el/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/el/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>This page doesn't exist or is not accessible at this time.</p>
-<a href="/">Go to home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">This page doesn't exist or is not accessible at this time.</p>
+<a href="/" class="btn btn-primary">Go to home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/en/404.txt b/src/Backend/Modules/Pages/Installer/Data/en/404.txt
index 0005bdba92..ae3d1f9dba 100644
--- a/src/Backend/Modules/Pages/Installer/Data/en/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/en/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>This page doesn't exist or is not accessible at this time.</p>
-<a href="/">Go to home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">This page doesn't exist or is not accessible at this time.</p>
+<a href="/" class="btn btn-primary">Go to home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/es/404.txt b/src/Backend/Modules/Pages/Installer/Data/es/404.txt
index f964fda4d8..ae3d1f9dba 100644
--- a/src/Backend/Modules/Pages/Installer/Data/es/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/es/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>Esta página no existe o no es visible en este momento.</p>
-<a href="/">Ir a la home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">This page doesn't exist or is not accessible at this time.</p>
+<a href="/" class="btn btn-primary">Go to home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/fr/404.txt b/src/Backend/Modules/Pages/Installer/Data/fr/404.txt
index 89f77269c9..269c422150 100644
--- a/src/Backend/Modules/Pages/Installer/Data/fr/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/fr/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>Cette page n'existe plus ou n'est pas accessible en ce moment.</p>
-<a href="/">Retour à l'accueil</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">Cette page n'existe plus ou n'est pas accessible en ce moment.</p>
+<a href="/" class="btn btn-primary">Retour à l'accueil</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/hu/404.txt b/src/Backend/Modules/Pages/Installer/Data/hu/404.txt
index 0005bdba92..ae3d1f9dba 100644
--- a/src/Backend/Modules/Pages/Installer/Data/hu/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/hu/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>This page doesn't exist or is not accessible at this time.</p>
-<a href="/">Go to home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">This page doesn't exist or is not accessible at this time.</p>
+<a href="/" class="btn btn-primary">Go to home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/it/404.txt b/src/Backend/Modules/Pages/Installer/Data/it/404.txt
index 0005bdba92..ae3d1f9dba 100644
--- a/src/Backend/Modules/Pages/Installer/Data/it/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/it/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>This page doesn't exist or is not accessible at this time.</p>
-<a href="/">Go to home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">This page doesn't exist or is not accessible at this time.</p>
+<a href="/" class="btn btn-primary">Go to home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/ja/404.txt b/src/Backend/Modules/Pages/Installer/Data/ja/404.txt
index 0005bdba92..ae3d1f9dba 100644
--- a/src/Backend/Modules/Pages/Installer/Data/ja/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/ja/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>This page doesn't exist or is not accessible at this time.</p>
-<a href="/">Go to home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">This page doesn't exist or is not accessible at this time.</p>
+<a href="/" class="btn btn-primary">Go to home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/lt/404.txt b/src/Backend/Modules/Pages/Installer/Data/lt/404.txt
index 0005bdba92..ae3d1f9dba 100644
--- a/src/Backend/Modules/Pages/Installer/Data/lt/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/lt/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>This page doesn't exist or is not accessible at this time.</p>
-<a href="/">Go to home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">This page doesn't exist or is not accessible at this time.</p>
+<a href="/" class="btn btn-primary">Go to home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/nl/404.txt b/src/Backend/Modules/Pages/Installer/Data/nl/404.txt
index 23f6a857ee..c7a17c50b9 100644
--- a/src/Backend/Modules/Pages/Installer/Data/nl/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/nl/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>De opgevraagde pagina bestaat niet of is niet beschikbaar op dit ogenblik.</p>
-<a href="/">Ga naar home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">De opgevraagde pagina bestaat niet of is niet beschikbaar op dit ogenblik.</p>
+<a href="/" class="btn btn-primary">Ga naar home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/pl/404.txt b/src/Backend/Modules/Pages/Installer/Data/pl/404.txt
index 638fedab1f..6f9d07d9be 100644
--- a/src/Backend/Modules/Pages/Installer/Data/pl/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/pl/404.txt
@@ -1,2 +1,7 @@
-<iframe src="http://notfound-static.fwebservices.be/404/index.html" width="100%" height="650" frameborder="0"></iframe>
-<p>Ta strona nie istnieje lub nie jest dostępna w tym momencie. Zobacz mapę witryny:</p>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">Ta strona nie istnieje lub nie jest dostępna w tym momencie.</p>
+<a href="/" class="btn btn-primary">Wróć do strony głównej</a>
+</div>
+</div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/pt/404.txt b/src/Backend/Modules/Pages/Installer/Data/pt/404.txt
index 758f15b5c3..44eeb0e29c 100644
--- a/src/Backend/Modules/Pages/Installer/Data/pt/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/pt/404.txt
@@ -1,2 +1,7 @@
-<iframe src="http://notfound-static.fwebservices.be/404/index.html" width="100%" height="650" frameborder="0"></iframe>
-<p>Esta página não existe ou não se encontra neste momento visível. Visite o mapa do site:</p>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">Esta página não existe ou não se encontra neste momento visível.</p>
+<a href="/" class="btn btn-primary">Vá para a página inicial</a>
+</div>
+</div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/ro/404.txt b/src/Backend/Modules/Pages/Installer/Data/ro/404.txt
index 0005bdba92..ae3d1f9dba 100644
--- a/src/Backend/Modules/Pages/Installer/Data/ro/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/ro/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>This page doesn't exist or is not accessible at this time.</p>
-<a href="/">Go to home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">This page doesn't exist or is not accessible at this time.</p>
+<a href="/" class="btn btn-primary">Go to home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/ru/404.txt b/src/Backend/Modules/Pages/Installer/Data/ru/404.txt
index 88d579e419..3253343c5a 100644
--- a/src/Backend/Modules/Pages/Installer/Data/ru/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/ru/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>Страница не существует или сейчас не доступна.</p>
-<a href="/">Главная</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">Страница не существует или сейчас не доступна.</p>
+<a href="/" class="btn btn-primary">Главная</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/sv/404.txt b/src/Backend/Modules/Pages/Installer/Data/sv/404.txt
index 0005bdba92..ae3d1f9dba 100644
--- a/src/Backend/Modules/Pages/Installer/Data/sv/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/sv/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>This page doesn't exist or is not accessible at this time.</p>
-<a href="/">Go to home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">This page doesn't exist or is not accessible at this time.</p>
+<a href="/" class="btn btn-primary">Go to home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/tr/404.txt b/src/Backend/Modules/Pages/Installer/Data/tr/404.txt
index 0005bdba92..ae3d1f9dba 100644
--- a/src/Backend/Modules/Pages/Installer/Data/tr/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/tr/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>This page doesn't exist or is not accessible at this time.</p>
-<a href="/">Go to home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">This page doesn't exist or is not accessible at this time.</p>
+<a href="/" class="btn btn-primary">Go to home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/uk/404.txt b/src/Backend/Modules/Pages/Installer/Data/uk/404.txt
index 0005bdba92..ae3d1f9dba 100644
--- a/src/Backend/Modules/Pages/Installer/Data/uk/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/uk/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>This page doesn't exist or is not accessible at this time.</p>
-<a href="/">Go to home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">This page doesn't exist or is not accessible at this time.</p>
+<a href="/" class="btn btn-primary">Go to home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Data/zh/404.txt b/src/Backend/Modules/Pages/Installer/Data/zh/404.txt
index 0005bdba92..ae3d1f9dba 100644
--- a/src/Backend/Modules/Pages/Installer/Data/zh/404.txt
+++ b/src/Backend/Modules/Pages/Installer/Data/zh/404.txt
@@ -1,5 +1,7 @@
-<div id="error">
-<p>This page doesn't exist or is not accessible at this time.</p>
-<a href="/">Go to home</a>
-<h2>404</h2>
+<div class="row justify-content-center text-center" id="error">
+<div class="col-auto">
+<h1 class="mb-4">404</h1>
+<p class="mb-5">This page doesn't exist or is not accessible at this time.</p>
+<a href="/" class="btn btn-primary">Go to home</a>
+</div>
 </div>
diff --git a/src/Backend/Modules/Pages/Installer/Installer.php b/src/Backend/Modules/Pages/Installer/Installer.php
index 85348cf7af..ea1fbc7124 100644
--- a/src/Backend/Modules/Pages/Installer/Installer.php
+++ b/src/Backend/Modules/Pages/Installer/Installer.php
@@ -485,7 +485,6 @@ private function configureFrontendPages(): void
                 ],
                 null,
                 ['html' => __DIR__ . '/Data/' . $language . '/404.txt'],
-                ['extra_id' => $this->getExtraId('sitemap')],
                 ['extra_id' => $this->getExtraId('search_form'), 'position' => 'top']
             );
         }
diff --git a/src/Frontend/Themes/Bootstrap/src/Layout/Sass/components/_error.scss b/src/Frontend/Themes/Bootstrap/src/Layout/Sass/components/_error.scss
new file mode 100644
index 0000000000..5093cfeb77
--- /dev/null
+++ b/src/Frontend/Themes/Bootstrap/src/Layout/Sass/components/_error.scss
@@ -0,0 +1,7 @@
+#error {
+  @include media-breakpoint-up(lg) {
+    h1 {
+      font-size: 4.5rem;
+    }
+  }
+}
diff --git a/src/Frontend/Themes/Bootstrap/src/Layout/Sass/screen.scss b/src/Frontend/Themes/Bootstrap/src/Layout/Sass/screen.scss
index b0645d1b47..2d214f8022 100644
--- a/src/Frontend/Themes/Bootstrap/src/Layout/Sass/screen.scss
+++ b/src/Frontend/Themes/Bootstrap/src/Layout/Sass/screen.scss
@@ -22,6 +22,7 @@
 
 // Components
 @import 'components/cookiebar';
+@import 'components/error';
 @import 'components/footer';
 @import 'components/forms';
 @import 'components/privacyConsentDialog';
diff --git a/src/Frontend/Themes/Bootstrap/src/Layout/Templates/Error.html.twig b/src/Frontend/Themes/Bootstrap/src/Layout/Templates/Error.html.twig
index b212b55979..9a53d1998a 100644
--- a/src/Frontend/Themes/Bootstrap/src/Layout/Templates/Error.html.twig
+++ b/src/Frontend/Themes/Bootstrap/src/Layout/Templates/Error.html.twig
@@ -7,7 +7,6 @@
   </div>
 
   <div class="container">
-    <img src="{{ THEME_URL }}/apple-touch-icon-180.png" class="mb-3">
     {% for block in positions.main %}
       {% if block.html %}
         {{ block.html|raw }}
@@ -16,4 +15,3 @@
   </div>
 
 {% endblock %}
-