Examine source code of puzzle painting

{
  "theme": {
    "images": {
      "theme_frame": "puzzledpainting.jpg"
    },
    "colors": {
      "frame": "#376cd6",
      "tab_background_text": "#87de74"
    }
  },
  "version": "2.0",
  "name": "puzzle painting",
  "manifest_version": 2,
  "description": "blue and green colored puzzle painting"
}