Examine source code of LemonGraphic

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "LemonGraphic",
  "manifest_version": 2,
  "description": "<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/b778cddb6539defae77d2c3ae2a504631062161179798c4013dff7546dc97975/http%3A//www.lemongraphic.ir\">www.lemongraphic.ir</a>"
}