diff --git a/frontend/src/i18n.js b/frontend/src/i18n.js
index 604dec8..1d3dedb 100644
--- a/frontend/src/i18n.js
+++ b/frontend/src/i18n.js
@@ -23,8 +23,7 @@ i18n
   // init i18next
   .init({
     resources,
-    lng: 'pl', // Set Polish as default language
-    fallbackLng: 'en',
+    fallbackLng: 'pl', // Set Polish as default language
     debug: false,
 
     interpolation: {
diff --git a/frontend/src/index.css b/frontend/src/index.css
index 73e34fe..8736f8b 100644
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -9,11 +9,17 @@ body {
 }
 
 .sidebar {
-  min-height: calc(100vh - 56px);
   background-color: #343a40;
   padding-top: 20px;
 }
 
+/* The "min-width" comes from the "min-width" media attribute on "main-content" */
+@media (min-width: 768px) {
+  .sidebar {
+    min-height: calc(100vh - 56px);
+  }
+}
+
 /* Removed color and background styles as they are set inline in Sidebar.js */
 /* Kept basic layout and transition styles */
 .sidebar .nav-link {
diff --git a/package.json b/package.json
index 6bc3a47..a5fbeb2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "docker-mailserver-gui",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "[![Docker Pulls](https://img.shields.io/docker/pulls/dunajdev/docker-mailserver-gui)](https://hub.docker.com/r/dunajdev/docker-mailserver-gui)",
   "main": "index.js",
   "scripts": {