Examine source code of traintime

{
  "theme": {
    "images": {
      "theme_frame": "hdr1.jpg"
    },
    "colors": {
      "frame": "#731515",
      "tab_background_text": "#ebd723"
    }
  },
  "version": "2.0",
  "name": "traintime",
  "manifest_version": 2,
  "description": "844 echo canyon"
}