Examine source code of Mobius Knot 3

{
  "theme": {
    "images": {
      "theme_frame": "MobiusKnot3.jpg"
    },
    "colors": {
      "frame": "#1a50f0",
      "tab_background_text": "#f0e8e8"
    }
  },
  "version": "2.0",
  "name": "Mobius Knot 3",
  "manifest_version": 2,
  "description": "A third Mobius Knot created with the ray-tracing program, \"Bryce.\nSee more on the Peak Pixels' YouTube channel."
}