Examine source code of BabyGotMac

{
  "theme": {
    "images": {
      "theme_frame": "BGM_Persona_Header.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "BabyGotMac",
  "manifest_version": 2,
  "description": "Do you love your Mac stuff and you can not lie? Well then, you're not going to be able to deny the official Persona for <a href=\"https://outgoing.prod.mozaws.net/v1/59c27d67fb683b745e8d3a80bdb6ae3eeff3aee3937912c51f4a4ec38fcf4946/http%3A//BabyGotMac.com\" rel=\"nofollow\">BabyGotMac.com</a> - Mac stuff that gets you sprung!"
}