Examine source code of Edinburgh Skyline

{
  "name": "edinburgh skyline 2",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "edinburgh skyline4.jpg"
    },
    "colors": {
      "frame": "rgba(214, 159, 105, 1)",
      "tab_background_text": "rgba(130, 81, 31, 1)",
      "toolbar": "rgba(69, 45, 32, 0.28)",
      "toolbar_field": "rgba(255, 250, 199, 0.69)",
      "toolbar_field_text": "rgba(66, 42, 30, 1)",
      "tab_line": "rgba(255, 250, 199, 0.69)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a23288aa-d672-49d9-86ee-13ec18991bde}"
    }
  }
}