Examine source code of MCB v1

{
  "theme": {
    "images": {
      "theme_frame": "Persona_Header_TEMPLATE.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "MCB v1",
  "manifest_version": 2,
  "description": "Skin made to brand employees browsers with danish web-company MCB logo.\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/91edc19f87b499eafa543d1b287241ad1e678408e4661ce37c3fe98a9c28387d/http%3A//www.mcb.dk/\">http://www.mcb.dk/</a>"
}