Examine source code of Game set - Devil may cry

{
  "theme": {
    "images": {
      "theme_frame": "Gameset-Devilmaycry.jpg"
    },
    "colors": {
      "frame": "#ababab",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Game set - Devil may cry",
  "manifest_version": 2,
  "description": "Here's a persona for game fans, especially Devil may cry."
}