Testing on/off without popout

background.js

@@ -38,4 +38,6 @@ browser.webRequest.onBeforeRequest.addListener(
         types: ["script"]
     },
     ["blocking"]
-);
+);
+
+browser.browserAction.onClicked.addListener(console.log("clicked"));

manifest.json

@@ -20,8 +20,19 @@
 
     "background": {
       "scripts": ["lib.js", "background.js"]
-   },
- 	
+    },
+   
+    "browser_action": {
+      "default_icon": {
+        "32": "icons/icon-32.png",
+        "48": "icons/icon-48.png",
+        "64": "icons/icon-64.png",
+        "96": "icons/icon-96.png",
+        "128": "icons/icon-128.png"
+      },
+      "default_title": "Unpaywall"
+    },
+    
     "permissions": [
       "<all_urls>",
       "webRequest",

popout/popout.html

@@ -10,7 +10,7 @@
         <div>
             <label class="switch">
                 <input type="checkbox" checked>
-                <span class="slider round"></span>
+                <span class="slider"></span>
             </label> 
         </div>
     </body>