Examine source code of CPSLabs

{
  "theme": {
    "images": {
      "theme_frame": "cps_logo_3000x200.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "CPSLabs",
  "manifest_version": 2,
  "description": "CPSLabs company persona\n<a href=\"https://outgoing.prod.mozaws.net/v1/61108044df39b34f96283152450ed95eed19e2ac8f59cbce4ceb4d13115b97d3/http%3A//www.cpslabs.net\" rel=\"nofollow\">www.cpslabs.net</a>"
}