Examine source code of Orroral

{
  "theme": {
    "images": {
      "theme_frame": "077_1firefox.jpg"
    },
    "colors": {
      "frame": "#238ea1",
      "tab_background_text": "#abede4"
    }
  },
  "version": "2.0",
  "name": "Orroral",
  "manifest_version": 2,
  "description": "View out from the porch of the Orroral Valley homestead, in Namadgi National Park, Canberra."
}