Examine source code of Kira the Cat

{
  "theme": {
    "images": {
      "theme_frame": "kira01.jpg"
    },
    "colors": {
      "frame": "#1b48a1",
      "tab_background_text": "#0f3459"
    }
  },
  "version": "2.0",
  "name": "Kira the Cat",
  "manifest_version": 2,
  "description": "Kira, the store cat at Booksplendour"
}