Examine source code of Kerori city. san-x

{
  "theme": {
    "images": {
      "theme_frame": "kero8_san_x.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Kerori city. san-x",
  "manifest_version": 2,
  "description": "Kerori city.\nPersona: rainboo\nCredit: san-x <a href=\"https://outgoing.prod.mozaws.net/v1/81191df5542a6ae5b4f1b21a7fef5465c4769b7faec26d7ce1489950278806d5/http%3A//www.san-x.co.jp\" rel=\"nofollow\">http://www.san-x.co.jp</a>"
}