Examine source code of One Direction Persona

{
  "theme": {
    "images": {
      "theme_frame": "PERSONATOP.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#eea6f5"
    }
  },
  "version": "2.0",
  "name": "One Direction Persona",
  "manifest_version": 2,
  "description": "This is my first persona. It was made for me, but it's not public. Hope you enjoy. :)"
}