Examine source code of The Studio Exhibit

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "The Studio Exhibit",
  "manifest_version": 2,
  "description": "Completely original theme design for Firefox browser background. Considering the decisions of quality in this area, It probably will not get a second consideration, Enjoy when you can. Thanks"
}