Examine source code of Rewrite Trinity

{
  "name": "trinityAlbumCover",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "trinityAlbumCover(4).jpg"
    },
    "colors": {
      "frame": "rgba(0, 34, 112, 1)",
      "tab_background_text": "rgba(107, 0, 0, 1)",
      "toolbar": "rgba(26, 0, 0, 1)",
      "bookmark_text": "rgba(230, 0, 0, 1)",
      "toolbar_field": "rgba(74, 0, 0, 1)",
      "toolbar_field_text": "rgba(230, 0, 0, 1)",
      "tab_line": "rgba(230, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8df67701-48cf-4b96-b337-67bcac0ec29d}"
    }
  }
}