Examine source code of X-1999

{
  "theme": {
    "images": {
      "theme_frame": "XPersona.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "X-1999",
  "manifest_version": 2,
  "description": "This is a persona dedicated to X, for me the best manga of CLAMP. Hope you like and use it ."
}