Examine source code of A Madmans Box

{
  "theme": {
    "images": {
      "theme_frame": "Tardis_Persona.png"
    },
    "colors": {
      "frame": "#070463",
      "tab_background_text": "#181696"
    }
  },
  "version": "2.0",
  "name": "A Madmans Box",
  "manifest_version": 2,
  "description": "The TARDIS, from the television series Doctor Who.\nDoctor Who, the TARDIS, and all affiliations are property of BBC.\nDisclaimer: I own neither the company nor its affiliations."
}