Examine source code of Jaximus

{
  "theme": {
    "images": {
      "theme_frame": "PersonaHeader.jpg"
    },
    "colors": {
      "frame": "#ab6f6f",
      "tab_background_text": "#29d91c"
    }
  },
  "version": "2.0",
  "name": "Jaximus",
  "manifest_version": 2,
  "description": "Jaximus splash art."
}