Examine source code of Enchanted Night Forest

{
  "theme": {
    "images": {
      "theme_frame": "header463.jpg"
    },
    "colors": {
      "frame": "#e3e0e0",
      "tab_background_text": "#fb9b6b"
    }
  },
  "version": "2.0",
  "name": "Enchanted Night Forest",
  "manifest_version": 2,
  "description": "Forest scene at night."
}