Examine source code of Catherine

{
  "theme": {
    "images": {
      "theme_frame": "HeaderModified.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ed0057"
    }
  },
  "version": "2.0",
  "name": "Catherine",
  "manifest_version": 2,
  "description": "Persona for upcoming video game from Atlus. I just wanted this myself, but I open it to everyone so everyone can hopefully enjoy this... although it's not that well done."
}