Examine source code of Outdated Medium?

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#f2f2e9",
      "tab_background_text": "#e32914"
    }
  },
  "version": "2.0",
  "name": "Outdated Medium?",
  "manifest_version": 2,
  "description": "I can read a newspaper article and come up with an idea for a book.~Jackie Collins\n\nTAGS:\n     News, Newspapers, Media"
}