Examine source code of Toronto-Canada

{
  "name": "Canada",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Toronto.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(162, 235, 217, 1)",
      "bookmark_text": "rgba(228, 173, 237, 1)",
      "toolbar_field_text": "rgba(222, 100, 175, 1)",
      "tab_line": "rgba(170, 245, 150, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{429b3104-0b5a-42f8-8766-25d2c5c185e5}"
    }
  }
}