Examine source code of One Kind Word

{
  "manifest_version": 2,
  "name": "One Kind Word",
  "version": "1.0",
  "description": "A extension with 100 inspirational quotes about the power of kind words, categorized into 10 themes, with a real-time clock and a fixed quote.",
  "permissions": [],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "images/one-logo.png"
    }
  },
  "icons": {
    "128": "images/one-logo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1414adb7-8da5-4fa1-ad67-aad98b8d5154}"
    }
  }
}