Examine source code of Minimal Gentoo Linux

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Minimal Gentoo Linux",
  "manifest_version": 2,
  "description": "Theme has the top and lower image.\n\nThe logo has been taken to the address: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/b2a29435f78723e0958e0c6358afe30048b477e86dfa71a90a3dcf4d279ca673/https%3A//wiki.gentoo.org/wiki/File%3AGentoo-logo.svg\">https://wiki.gentoo.org/wiki/File:Gentoo-logo.svg</a>\nAnd color (background) has been take to the main Gentoo page: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/a3ff177c20890e017b634a232cebca418d6a0ace94498f5fcad74a5063549759/https%3A//gentoo.org/\">https://gentoo.org/</a>"
}