Examine source code of Steel art

{
  "theme": {
    "images": {
      "theme_frame": "hr-top.jpg"
    },
    "colors": {
      "frame": "#0d0b0b",
      "tab_background_text": "#960c0c"
    }
  },
  "version": "2.0",
  "name": "Steel art",
  "manifest_version": 2,
  "description": "Steel art by Huub Rossel.\nSee also <a href=\"https://outgoing.prod.mozaws.net/v1/7a129c17074dc136ae7046033c306513d034f3b1ffa8b0efc3386bd792a72dbc/http%3A//www.huubrossel.nl\" rel=\"nofollow\">www.huubrossel.nl</a>\nSculptures, glasfusion and steel paintings.\nGreetz Bross"
}