diff --git a/js/background.js b/js/background.js
new file mode 100644
index 0000000..19095c3
--- /dev/null
+++ b/js/background.js
@@ -0,0 +1,41 @@
+chrome.runtime.onInstalled.addListener(function () {
+  let settings = {
+    hotkeys: {
+      codes: {
+        slower: ["F21"],
+        normal: ["F22"],
+        faster: ["F23"],
+        pause: ["k"],
+        "skip-back": ["ArrowLeft"],
+        "skip-forward": ["ArrowRight"],
+      },
+    },
+  };
+
+  chrome.storage.local.set({ "extension-settings": settings }, function () {
+    console.log("Initial setting set...");
+  });
+});
+
+chrome.runtime.onMessage.addListener(function (msg, sender, sendResponse) {
+  if (msg.from === "content" && msg.subject === "changeIcon") {
+    // let canvas = document.getElementById("icon-making-canvas");
+    // if (!canvas) {
+    //   canvas = document.createElement("CANVAS");
+    //   canvas.id = "icon-making-canvas";
+    //   canvas.width = canvas.height = 16;
+    // }
+    // let ctx = canvas.getContext("2d");
+    // ctx.beginPath();
+    // ctx.rect(0, 0, 16, 16);
+    // ctx.fillStyle = "red";
+    // ctx.fill();
+    // ctx.fillStyle = "white";
+    // ctx.textAlign = "center";
+    // ctx.textBaseline = "middle";
+    // fitTextOnCanvas(ctx, msg.speed, "Roboto Condensed", 9, canvas.width);
+    // let imgData = ctx.getImageData(0, 0, 16, 16);
+    // chrome.pageAction.setIcon({ imageData: imgData, tabId: sender.tab.id });
+  }
+  return Promise.resolve("Dummy response to keep the console quiet");
+});
diff --git a/manifest.json b/manifest.json
index db3019c..c2b5e6e 100755
--- a/manifest.json
+++ b/manifest.json
@@ -3,17 +3,22 @@
       "js": [ "dist/raw/spatial-navigation.js" ],
       "matches": [ "\u003Call_urls>" ],
       "run_at": "document_end"
-   } ],
-   "icons": {
-      "32": "dist/raw/icon.png"
-   },
-   "description": "Smart spatial navigation with key map to links. Bind WASDE and Q keys.",
-   "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx6DSv4W8kxjs8MIUus8LpnlmyrvwElLfsqUjGBzTpSe0iNNxTrrYR/PtgUHyJOlNxUadmhbg19wePB+b3ly0NE0HwTjJ/kFMVNEkl6wk1jJ7CedIHjAzbFO5oHgcSt8j4hrxh4KopFgAydwSqBT8ssPHFOBfuAl1+3o4fGA06z0wwbi/KUSSFuZFrM3tdv8qkpeSwnFvSaV5aZnF0Y+mEuiYhGBGfFWIpFwZDwTeLxmKJtlt2RD5YghqodfwG4dAIMknEC63OkzA7yMB3ZdEwysm9kAtCwfQdBRP1YuRE7H+lZR4cAspnddFKOnEj+FIifDD8rkw8vqzN8FroUcHRQIDAQAB",
-   "manifest_version": 2,
-   "name": "Spatial Navigation",
-   "permissions": [ "\u003Call_urls>" ],
-   "short_name": "spatial-navigation",
-   "update_url": "https://clients2.google.com/service/update2/crx",
-   "version": "0.4.7"
+    }
+  ],
+  "background": {
+    "scripts": ["js/background.js"],
+    "persistent": false
+  },
+  "icons": {
+    "32": "dist/raw/icon.png"
+  },
+  "description": "Smart spatial navigation with key map to links. Bind WASDE and Q keys.",
+  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx6DSv4W8kxjs8MIUus8LpnlmyrvwElLfsqUjGBzTpSe0iNNxTrrYR/PtgUHyJOlNxUadmhbg19wePB+b3ly0NE0HwTjJ/kFMVNEkl6wk1jJ7CedIHjAzbFO5oHgcSt8j4hrxh4KopFgAydwSqBT8ssPHFOBfuAl1+3o4fGA06z0wwbi/KUSSFuZFrM3tdv8qkpeSwnFvSaV5aZnF0Y+mEuiYhGBGfFWIpFwZDwTeLxmKJtlt2RD5YghqodfwG4dAIMknEC63OkzA7yMB3ZdEwysm9kAtCwfQdBRP1YuRE7H+lZR4cAspnddFKOnEj+FIifDD8rkw8vqzN8FroUcHRQIDAQAB",
+  "manifest_version": 2,
+  "name": "Spatial Navigation",
+  "permissions": ["\u003Call_urls>"],
+  "short_name": "spatial-navigation",
+  "update_url": "https://clients2.google.com/service/update2/crx",
+  "version": "0.4.7",
   "options_page": "options.html"
 }