Examine source code of Pole Transformer

{
  "theme": {
    "images": {
      "theme_frame": "header_transformer.jpg"
    },
    "colors": {
      "frame": "#ede1e1",
      "tab_background_text": "#0d0c0c"
    }
  },
  "version": "2.0",
  "name": "Pole Transformer",
  "manifest_version": 2,
  "description": "Monochrome composition of a pole-mounted transformer"
}