Examine source code of AccessHappily

{
  "icons": {
    "16": "icon16.plasmo.192fd1f9.png",
    "32": "icon32.plasmo.4d28be0c.png",
    "48": "icon48.plasmo.8337b32e.png",
    "64": "icon64.plasmo.c5fef9ed.png",
    "128": "icon128.plasmo.20a0583f.png"
  },
  "manifest_version": 2,
  "browser_action": {
    "default_icon": {
      "16": "icon16.plasmo.192fd1f9.png",
      "32": "icon32.plasmo.4d28be0c.png",
      "48": "icon48.plasmo.8337b32e.png",
      "64": "icon64.plasmo.c5fef9ed.png",
      "128": "icon128.plasmo.20a0583f.png"
    },
    "default_popup": "popup.html"
  },
  "version": "1.3.7",
  "author": "__MSG_extension_author__",
  "name": "__MSG_extension_name__",
  "description": "__MSG_extension_description__",
  "background": {
    "scripts": [
      "static/background/index.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "permissions": [
    "storage",
    "contextMenus",
    "activeTab",
    "https://*/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "contents.04d427ca.js"
      ],
      "css": [
        "contents.b2cbd13d.css"
      ]
    }
  ],
  "default_locale": "en",
  "web_accessible_resources": [
    "contents.faa72b43.css"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6c0658f3-d123-4fb9-a440-4e6c83bfed2f}"
    }
  }
}