Examine source code of Rona the dog

{
  "theme": {
    "images": {
      "theme_frame": "personarona.jpg"
    },
    "colors": {
      "frame": "#474646",
      "tab_background_text": "#ed1111"
    }
  },
  "version": "2.0",
  "name": "Rona the dog",
  "manifest_version": 2,
  "description": "my dog"
}