Examine source code of GoboLinux Neon

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#707070",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "GoboLinux Neon",
  "manifest_version": 2,
  "description": "Theme designed for <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/01815d718fa26e5a2c9eb2d3f7ef8a889122890f80e68ec40994c2f0cbc157fb/http%3A//www.gobolinux.org\">GoboLinux</a> 016, based on Default-Fox."
}