diff --git a/app/components/Announcement.jsx b/app/components/Announcement.jsx
index 290e48c..0b9b2f2 100644
--- a/app/components/Announcement.jsx
+++ b/app/components/Announcement.jsx
@@ -3,7 +3,7 @@
 import { useState, useEffect } from 'react';
 import { motion, AnimatePresence } from 'framer-motion';
 
-const ANNOUNCEMENT_KEY = 'hasClosedAnnouncement_v11';
+const ANNOUNCEMENT_KEY = 'hasClosedAnnouncement_v12';
 
 export default function Announcement() {
   const [isVisible, setIsVisible] = useState(false);
diff --git a/app/globals.css b/app/globals.css
index 60fd034..1755cf0 100644
--- a/app/globals.css
+++ b/app/globals.css
@@ -34,6 +34,7 @@
 html,
 body {
   height: 100%;
+  overflow-x: hidden;
 }
 
 body {
@@ -725,6 +726,7 @@ body::before {
 @media (max-width: 640px) {
   .content {
     padding-top: 140px;
+    overflow-x: hidden;
   }
 
   .navbar {
@@ -890,6 +892,7 @@ input[type="number"] {
     padding: 12px;
     width: 100%;
     max-width: 100%;
+    overflow-x: hidden;
   }
 
   .grid {