Examine source code of the black cauldron

{
  "theme": {
    "images": {
      "theme_frame": "Personalheader.jpg"
    },
    "colors": {
      "frame": "#18de36",
      "tab_background_text": "#8a0478"
    }
  },
  "version": "2.0",
  "name": "the black cauldron",
  "manifest_version": 2,
  "description": "the black cauldron"
}