Examine source code of Phoenix Complex Fractal

{
  "theme": {
    "images": {
      "theme_frame": "fractal_3_2_header.jpg"
    },
    "colors": {
      "frame": "#030303",
      "tab_background_text": "#fcf9f9"
    }
  },
  "version": "2.0",
  "name": "Phoenix Complex Fractal",
  "manifest_version": 2,
  "description": "This is a layered complex Phoenix (Julia) fractal image."
}