Examine source code of Behind Yellow Eyes

{
  "theme": {
    "images": {
      "theme_frame": "byetheme.jpg"
    },
    "colors": {
      "frame": "#e8e415",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Behind Yellow Eyes",
  "manifest_version": 2,
  "description": "a theme for fans of <a href=\"https://outgoing.prod.mozaws.net/v1/33a6e7cbcc032bcfcb7994a403731d1cc1d5136f453b4a6a20cca238d644d744/http%3A//behindyelloweyes.com\" rel=\"nofollow\">behindyelloweyes.com</a>"
}