Examine source code of The 80s child

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#29abad"
    }
  },
  "version": "2.0",
  "name": "The 80s child",
  "manifest_version": 2,
  "description": "Logo for <a href=\"https://outgoing.prod.mozaws.net/v1/0d35f5a82bb150b9e54e1578f87d3a4297d0b87a3faa896bc630a693e9bb0a9a/http%3A//the80schild.com\" rel=\"nofollow\">the80schild.com</a>"
}