Examine source code of Ariel & friends

{
  "theme": {
    "images": {
      "theme_frame": "arielheadder.jpg"
    },
    "colors": {
      "frame": "#030708",
      "tab_background_text": "#08010f"
    }
  },
  "version": "2.0",
  "name": "Ariel & friends",
  "manifest_version": 2,
  "description": "I made Ariel because she seems to be so popular. I hope to make the other princesses in days to come"
}