Examine source code of traffic signs

{
  "theme": {
    "images": {
      "theme_frame": "traffic.header.01.png"
    },
    "colors": {
      "frame": "#f7eded",
      "tab_background_text": "#f0eded"
    }
  },
  "version": "2.0",
  "name": "traffic signs",
  "manifest_version": 2,
  "description": "traffic signs, roadsigns"
}