Examine source code of Christmas waterfall

{
  "theme": {
    "images": {
      "theme_frame": "Christmascascade2.jpg"
    },
    "colors": {
      "frame": "#d0f2f0",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Christmas waterfall",
  "manifest_version": 2,
  "description": "Merry Christmas pink butterfly butterflies magic waterfall cascade bright yellow flower color stars shine girlie snow flakes winter cold December ice sky clouds water creek river country rural nature sparkles green pine optimistic Real.Twilight"
}