Examine source code of Red Eyed Cat

{
  "theme": {
    "images": {
      "theme_frame": "Untitled.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ab0505"
    }
  },
  "version": "2.0",
  "name": "Red Eyed Cat",
  "manifest_version": 2,
  "description": "A black cat with red eyes and a faded cat with bluish white eyes in the background."
}