Examine source code of pole_with_sky_clouds

{
  "theme": {
    "images": {
      "theme_frame": "header-4.jpg"
    },
    "colors": {
      "frame": "#49689c",
      "tab_background_text": "#7e96ad"
    }
  },
  "version": "2.0",
  "name": "pole_with_sky_clouds",
  "manifest_version": 2,
  "description": "a halogen light pole with the sky as a backdrop near the second gate of PU somewhere around 2 o'clock"
}