Examine source code of vn3s.com

{
  "theme": {
    "images": {
      "theme_frame": "vb3.jpg"
    },
    "colors": {
      "frame": "#f21818",
      "tab_background_text": "#f20808"
    }
  },
  "version": "2.0",
  "name": "vn3s.com",
  "manifest_version": 2
}