Examine source code of Goanna eye

{
  "theme": {
    "images": {
      "theme_frame": "goanna.jpg"
    },
    "colors": {
      "frame": "#030303",
      "tab_background_text": "#fafafa"
    }
  },
  "version": "2.0",
  "name": "Goanna eye",
  "manifest_version": 2,
  "description": "... close up of an old man goanna as he heads to the river bank"
}