Examine source code of Top Cat

{
  "theme": {
    "images": {
      "theme_frame": "top-cat-header.png"
    },
    "colors": {
      "frame": "#5bafef",
      "tab_background_text": "#00012b"
    }
  },
  "version": "2.0",
  "name": "Top Cat",
  "manifest_version": 2,
  "description": "Set in the Alleys of New York, Top Cat tells the story of a gang of low-life cats with their charismatic Leader, Top Cat. With ability and mischief, Top Cat will always try to get rich gambling, to eat for free, or to play jokes on someone, but he is always being watched by Officer Dibble, who is very strict and fierce with them, but in fact is a friend to all of them."
}