Examine source code of Cotidiana Place

{
  "name": "Cotidiana Place",
  "manifest_version": 2,
  "version": "14.0",
  "theme": {
    "images": {
      "theme_frame": "martin-firefox-5.png"
    },
    "colors": {
      "frame": "rgba(243, 235, 211, 0.97)",
      "tab_background_text": "rgba(26, 2, 2, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(23, 3, 3, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0.72)",
      "toolbar_field_text": "rgba(8, 8, 3, 1)"
    }
  }
}