Examine source code of Firegoby

{
  "theme": {
    "images": {
      "theme_frame": "Firegoby_header.jpg"
    },
    "colors": {
      "frame": "#454545",
      "tab_background_text": "#021e26"
    }
  },
  "version": "2.0",
  "name": "Firegoby",
  "manifest_version": 2,
  "description": "A simple design, featuring a stylized bumble bee goby. It's a small mock-up of Firefox with a natural flair to it. - NOTE: This Persona was designed for Windows. It will work on Safari, but the text may be hidden by the search bar. It is recommended to have some buttons between address bar and search bar, e.g. NewTab."
}