Examine source code of Electric Horse by MaDonna

{
  "name": "Electric Horse by MaDonna",
  "manifest_version": 2,
  "version": "6.0",
  "theme": {
    "images": {
      "theme_frame": "ElectricHorseHcopy.jpg"
    },
    "colors": {
      "frame": "rgba(27, 18, 64, 1)",
      "tab_background_text": "rgba(219, 189, 255, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(214, 185, 250, 1)",
      "toolbar_field": "rgba(27, 18, 64, 0.09)",
      "toolbar_field_text": "rgba(214, 185, 250, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ad2110b5-4cc9-42fd-81ce-919a6257ed0c}"
    }
  }
}