Examine source code of Indian Maiden

{
  "name": "Indian Maiden",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "IndianMaidenH.jpg"
    },
    "colors": {
      "frame": "rgba(33, 12, 2, 1)",
      "tab_background_text": "rgba(255, 218, 189, 1)",
      "toolbar": "rgba(36, 14, 2, 0)",
      "bookmark_text": "rgba(247, 213, 207, 1)",
      "toolbar_field": "rgba(36, 14, 2, 0.08)",
      "toolbar_field_text": "rgba(250, 250, 250, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9299b298-3f94-49f5-8cf8-bfacb2e3ff05}"
    }
  }
}