Examine source code of Blink Reminder

{
  "manifest_version": 2,
  "name": "Blink Reminder",
  "version": "0.1.1resigned1",
  "description": "Reminds the user to blink and look away from the monitor regularly to prevent eye stain and dry eye.",
  "background": {
    "scripts": [
      "options.js",
      "main.js"
    ]
  },
  "permissions": [
    "idle",
    "alarms",
    "notifications",
    "storage"
  ],
  "options_ui": {
    "page": "options.html"
  },
  "icons": {
    "32": "icons/eye-open32.png",
    "64": "icons/eye-open64.png",
    "128": "icons/eye-open128.png",
    "256": "icons/eye-open256.png"
  },
  "browser_action": {
    "browser-style": true,
    "default_icon": {
      "32": "icons/eye-open32.png",
      "64": "icons/eye-open64.png",
      "128": "icons/eye-open128.png",
      "256": "icons/eye-open256.png"
    },
    "default_title": "BlinkReminder settings"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c91c37d5-0bf3-4747-ae29-3c7584cecb2b}"
    }
  }
}