Examine source code of Katze Kittycat Mond

{
  "theme": {
    "images": {
      "theme_frame": "kittycat_moon_k.jpg"
    },
    "colors": {
      "frame": "#08f252",
      "tab_background_text": "#fc0303"
    }
  },
  "version": "2.0",
  "name": "Katze Kittycat Mond",
  "manifest_version": 2,
  "description": "Katze Kittycat relaxt auf dem Mond"
}