Examine source code of Amrra Lite

{
  "theme": {
    "images": {
      "theme_frame": "Amrra_Header_3.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Amrra Lite",
  "manifest_version": 2,
  "description": "Amrra Lite is created from the logo of <a href=\"https://outgoing.prod.mozaws.net/v1/1c2807ce0b03f5b69971ebde1e844dc373776f247a6c7133c7cc826b1acdab17/http%3A//amrra.net\" rel=\"nofollow\">http://amrra.net</a>"
}