Examine source code of evenfall with clouds

{
  "theme": {
    "images": {
      "theme_frame": "perhe.jpg"
    },
    "colors": {
      "frame": "#949292",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "evenfall with clouds",
  "manifest_version": 2,
  "description": "Clouds on the even sky..."
}