Examine source code of StudioBit

{
  "theme": {
    "images": {
      "theme_frame": "studiobit_chocolate_header.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#feffd6"
    }
  },
  "version": "2.0",
  "name": "StudioBit",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/ecb257555c5af63bd24554a9e0fc21e6740f34a2456c56ade1c9dea1ed01905a/http%3A//www.studiobitmx.net\" rel=\"nofollow\">www.studiobitmx.net</a>"
}