Examine source code of henrysbigmouth

{
  "theme": {
    "images": {
      "theme_frame": "design_bannercopy.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#2b2020"
    }
  },
  "version": "2.0",
  "name": "henrysbigmouth",
  "manifest_version": 2,
  "description": "My design for <a href=\"https://outgoing.prod.mozaws.net/v1/d5d321bf1fbd0e4494fbaf4a866ba72b0f96f7eed741bc432e86b007593e90b5/http%3A//www.henrysbigmouth.com\" rel=\"nofollow\">www.henrysbigmouth.com</a>"
}