Examine source code of Ngrambe Nature

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#4a8704",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Ngrambe Nature",
  "manifest_version": 2,
  "description": "Theme for <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/f93c618d5289f6ed25ac12754b9880b715ba2e7104d2a7cc48d23f83d66bbca1/http%3A//ngrambe.net\" title=\"Ngrambe Ngawi\">Ngrambe.net</a>"
}