Examine source code of Nineteen eighty four

{
  "theme": {
    "images": {
      "theme_frame": "orwell_header.jpg"
    },
    "colors": {
      "frame": "#0a0c6e",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "Nineteen eighty four",
  "manifest_version": 2,
  "description": "Never forget that the internet is not a good thing for some powerful people... "
}