Examine source code of Solid Navy by MaDonna

{
  "name": "Solid Navy by MaDonna",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "NavyH.jpg"
    },
    "colors": {
      "frame": "rgba(4, 22, 87, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(3, 19, 89, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(3, 19, 89, 0.1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{feae6aa1-937c-458e-a746-9abbfdf60d18}"
    }
  }
}