Examine source code of Fall Horizon by MaDonna

{
  "name": "Fall Horizon by MaDonna",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "FallHorizonH.jpg"
    },
    "colors": {
      "frame": "rgba(181, 189, 138, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(180, 189, 136, 0.05)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{356ea877-8722-45d0-9253-79155b815688}"
    }
  }
}