Examine source code of Broken Halo

{
  "name": "Broken Halo",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "BrokenHalo.jpg"
    },
    "colors": {
      "frame": "rgba(148, 130, 110, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(150, 133, 111, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(150, 133, 111, 0.1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{964fa381-e9c9-4cd9-8554-bb1c23457c51}"
    }
  }
}