Examine source code of Shorty Cat

{
  "theme": {
    "images": {
      "theme_frame": "Shortypersonna2hhhh.jpg"
    },
    "colors": {
      "frame": "#6d4a6e",
      "tab_background_text": "#080707"
    }
  },
  "version": "2.0",
  "name": "Shorty Cat",
  "manifest_version": 2,
  "description": "This is the first Persona I have made. It is my baby cat Shorty."
}