Examine source code of Snow Covered Berries

{
  "theme": {
    "images": {
      "theme_frame": "SnowCoveredBerries_header_byLisa.jpg"
    },
    "colors": {
      "frame": "#8d8884",
      "tab_background_text": "#cccccc"
    }
  },
  "version": "2.0",
  "name": "Snow Covered Berries",
  "manifest_version": 2,
  "description": "pair of blue tits perched on a cotoneaster bush, Winter, red berries, birds\n\nchild friendly persona\n\nPersonas by LisaAtTheBeach"
}