Examine source code of BoyGR

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffff00"
    }
  },
  "version": "2.0",
  "name": "BoyGR",
  "manifest_version": 2,
  "description": "Theme by <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/008937cb6fa2182d02c3250c7f9cbd6b9b81dc6ef6b046cb92e5e564d98831ea/http%3A//boygr.com\">boygr.com</a>\nIts me! :)"
}