Examine source code of PSP-SOURCE

{
  "theme": {
    "images": {
      "theme_frame": "psp-source.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "PSP-SOURCE",
  "manifest_version": 2,
  "description": "The persona for <a href=\"https://outgoing.prod.mozaws.net/v1/4a10d83df2ce0149f4b907bfde6b092bcb63872ef27f85f747faeaf33a756988/http%3A//www.psp-source.cz.cc\" rel=\"nofollow\">www.psp-source.cz.cc</a>"
}