Examine source code of flame&fires

{
  "theme": {
    "images": {
      "theme_frame": "Personas_max.jpg"
    },
    "colors": {
      "frame": "#d4cdcd",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "flame&fires",
  "manifest_version": 2,
  "description": "Flame and fires by Max Stanchly."
}