Examine source code of StarBED Racks 01

{
  "theme": {
    "images": {
      "theme_frame": "starbed-rack-01-head.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#3041d9"
    }
  },
  "version": "2.0",
  "name": "StarBED Racks 01",
  "manifest_version": 2,
  "description": "StarBED project aims to emulate/simulate various network things. \"Rack\" is symbolical existence of network equipments."
}