Examine source code of Pastel Playing Cards

{
  "theme": {
    "images": {
      "theme_frame": "personas.png"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Pastel Playing Cards",
  "manifest_version": 2,
  "description": "I made this Persona to match my current Win XP theme. I found the playing cards tile on some website, so I take no credit for it. \n\nIf you know who the designer is, or where is it from (I can't remember!) please tell me (maya82 at gmail dot com) so I can give proper credit here."
}