Examine source code of scratch.mit.edu_request

{
  "theme": {
    "images": {
      "theme_frame": "requestpersonahead.JPG"
    },
    "colors": {
      "frame": "#ff9d00",
      "tab_background_text": "#ff9d00"
    }
  },
  "version": "2.0",
  "name": "scratch.mit.edu_request",
  "manifest_version": 2,
  "description": "For <a href=\"https://outgoing.prod.mozaws.net/v1/467efabdc9edc5e6c5f60c08262a8f6478fec7b924a68198ed1b4c7c806845a7/http%3A//scratch.mit.edu\" rel=\"nofollow\">scratch.mit.edu</a>"
}