Examine source code of Skating Cat Kittycat

{
  "theme": {
    "images": {
      "theme_frame": "kittycat_skaten_k.jpg"
    },
    "colors": {
      "frame": "#9403fc",
      "tab_background_text": "#fa0808"
    }
  },
  "version": "2.0",
  "name": "Skating Cat Kittycat",
  "manifest_version": 2,
  "description": "Cat Kittycat on a Skateboard"
}