Examine source code of Katze Kittycat im Boot

{
  "theme": {
    "images": {
      "theme_frame": "kittycat_boot_k.jpg"
    },
    "colors": {
      "frame": "#f70808",
      "tab_background_text": "#ffff00"
    }
  },
  "version": "2.0",
  "name": "Katze Kittycat im Boot",
  "manifest_version": 2,
  "description": "Die Katze Kittycat an einem sonnigen Tag im Boot"
}