Examine source code of Russian Paintings Collage

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#8a8778",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Russian Paintings Collage",
  "manifest_version": 2,
  "description": "collage of paintings by Russian artists, country, farm, forests, bears, snow, trees, fields, harvest, animals, woods, autumn,\n\nDesigned by MaDonna"
}