Examine source code of ScalpWeb

{
  "theme": {
    "images": {
      "theme_frame": "skin_scalp3000.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#303030"
    }
  },
  "version": "2.0",
  "name": "ScalpWeb",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/32ecccfc0eeb9a8efd0d07e1f3c0c4989025bf39fcf089a9c9afe9b161099ee8/http%3A//Scalp.be\" rel=\"nofollow\">Scalp.be</a> studio graphique"
}