Examine source code of Moonlight Raven

{
  "theme": {
    "images": {
      "theme_frame": "Rabeff.jpg"
    },
    "colors": {
      "frame": "#131130",
      "tab_background_text": "#464b69"
    }
  },
  "version": "2.0",
  "name": "Moonlight Raven",
  "manifest_version": 2,
  "description": "A black raven with blue roses moonlight and whatsoever"
}