Examine source code of Mandel-Newton Embossed

{
  "theme": {
    "images": {
      "theme_frame": "Mandelbrot_embossed_667_header.jpg"
    },
    "colors": {
      "frame": "#050505",
      "tab_background_text": "#f6fa05"
    }
  },
  "version": "2.0",
  "name": "Mandel-Newton Embossed",
  "manifest_version": 2,
  "description": "This is a colorful combination of the Mandelbrot and Newton Fractals."
}