diff --git a/layouts/404.html b/layouts/404.html
new file mode 100644
index 0000000..effcca6
--- /dev/null
+++ b/layouts/404.html
@@ -0,0 +1,37 @@
+{{ define "main" }}
+<div class="container">
+  <div class="row">
+    <div class="col">
+      <h1 class="display-1 mx-auto text-center">
+        404
+      </h1>
+      <div class="alert alert-danger mb-5">
+        <h4 class="alert-heading">
+          Page not found
+        </h4>
+        <p>
+          The page you were trying to navigate to was not found on this
+          server.
+        </p>
+        <hr />
+        <p class="mb-0">
+          <a href="{{ .Site.BaseURL }}" class="alert-link">Back to the home page.</a>
+        </p>
+      </div>
+      <div class="alert alert-warning">
+        <h4 class="alert-heading">
+          Seite nicht gefunden
+        </h4>
+        <p>
+          Die angeforderte Seite existiert nicht auf diesem Server.
+        </p>
+        <hr />
+        <p class="mb-0">
+          <a href="{{ .Site.BaseURL }}" class="alert-link">Zurück zur Homepage.</a>
+        </p>
+      </div>
+    </div>
+  </div>
+</div>
+{{ end }}
+