Examine source code of Desert Lightning

{
  "theme": {
    "images": {
      "theme_frame": "DesertLightning_header.jpg"
    },
    "colors": {
      "frame": "#c7d7ff",
      "tab_background_text": "#c7d7ff"
    }
  },
  "version": "2.0",
  "name": "Desert Lightning",
  "manifest_version": 2,
  "description": "Custom made scene of a lightning storm in a desert. (created using PSPx)"
}