Examine source code of Land Rover Green

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Range Rover Green",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(39, 54, 40)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(47, 79, 79)",
      "tab_background_text": "rgb(237, 237, 238)",
      "toolbar_field": "rgb(237, 237, 238)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(152, 158, 165)",
      "popup": "rgb(237, 237, 238)",
      "popup_text": "rgb(0, 0, 0)",
      "tab_loading": "rgb(152, 158, 165)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f09ecbe3-0edb-475f-94fc-78b7349a3648}"
    }
  }
}