Examine source code of Privonyx

{
  "manifest_version": 2,
  "name": "Privonyx",
  "version": "1.2resigned1",
  "description": "Dynamic dark theme for Firefox with a focus on privacy",
  "permissions": [
    "tabs",
    "theme"
  ],
  "applications": {
    "gecko": {
      "strict_min_version": "60.0a1",
      "id": "{5d94c7d0-2358-417e-a8c6-8fad1214d5f3}"
    }
  },
  "background": {
    "scripts": [
      "privonyx.js"
    ]
  }
}