Examine source code of Basel One

{
  "theme": {
    "images": {
      "theme_frame": "head3.jpg"
    },
    "colors": {
      "frame": "#f0f0f0",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Basel One",
  "manifest_version": 2,
  "description": "Basilisk of Basel."
}