diff --git a/audio/bgm.wav b/audio/bgm.wav
new file mode 100644
index 0000000..a142314
Binary files /dev/null and b/audio/bgm.wav differ
diff --git a/manifest-chome.json b/manifest-chome.json
new file mode 100644
index 0000000..1d7d743
--- /dev/null
+++ b/manifest-chome.json
@@ -0,0 +1,50 @@
+{
+    "manifest_version": 3,
+    "name": "WiiShop but on browsers (Chrome)",
+    "version": "1.0",
+    "permissions": [
+        "scripting",
+        "activeTab",
+        "storage",
+        "webRequest",
+        "tabs"
+    ],
+    "host_permissions": [
+        "<all_urls>"
+    ],
+    "action": {
+        "default_popup": "popup.html"
+    },
+    "background": {
+        "service_worker": "background.js"
+    },
+    "content_scripts": [
+        {
+            "matches": [
+                "https://oss-auth.blinklab.com/*",
+                "https://oss-auth.thecheese.io/*",
+                "https://oss-auth.shop.wii.com/*",
+                "http://wiimart:8080/oss/serv/*",
+                "https://wiimart:8080/oss/serv/*"
+            ],
+            "js": ["content.js"],
+            "run_at": "document_start"
+        }
+    ],
+    "web_accessible_resources": [
+        {
+            "resources": [
+                "images/*",
+                "audio/*",
+                "classDefinitions.js"
+            ],
+            "matches": [
+                "https://oss-auth.blinklab.com/*",
+                "https://oss-auth.thecheese.io/*",
+                "https://oss-auth.shop.wii.com/*",
+                "http://wiimart:8080/oss/serv/*",
+                "https://wiimart:8080/oss/serv/*"
+            ]
+        }
+    ]
+}
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index 63530b6..8c702da 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,28 +1,27 @@
 {
     "manifest_version": 3,
-    "name": "WiiShop but on browsers",
+    "name": "WiiShop but on browsers (Firefox)",
     "version": "1.0",
     "permissions": [
-        "scripting", 
-        "activeTab", 
-        "storage", 
+        "scripting",
+        "activeTab",
+        "storage",
         "webRequest",
-        "webRequestBlocking",
         "tabs"
     ],
+    "host_permissions": [
+        "<all_urls>"
+    ],
     "action": {
         "default_popup": "popup.html"
     },
-    "host_permissions": [
-    "<all_urls>"
-    ],
     "background": {
         "scripts": ["background.js"]
     },
     "content_scripts": [
         {
             "matches": [
-                "https://oss-auth.blinklab.com/*", 
+                "https://oss-auth.blinklab.com/*",
                 "https://oss-auth.thecheese.io/*",
                 "https://oss-auth.shop.wii.com/*",
                 "http://wiimart:8080/oss/serv/*",
@@ -35,14 +34,13 @@
     "web_accessible_resources": [
         {
             "resources": [
-                "fonts/*",
                 "images/*",
                 "audio/*",
                 "classDefinitions.js"
             ],
             "matches": [
                 "https://oss-auth.blinklab.com/*",
-                "https://oss-auth.thecheese.io/*", 
+                "https://oss-auth.thecheese.io/*",
                 "https://oss-auth.shop.wii.com/*",
                 "http://wiimart:8080/oss/serv/*",
                 "https://wiimart:8080/oss/serv/*"