Examine source code of Enzo Ferrari

{
  "name": "Enzo Ferrari",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "ferrari.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(75, 75, 75, 0.72)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0.74)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(255, 255, 255, 0.57)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{716c4ba3-e91c-47a9-85e2-d5e4e078b561}"
    }
  }
}