Examine source code of MJ with Balloons

{
  "theme": {
    "images": {
      "theme_frame": "mikeballons.png"
    },
    "colors": {
      "frame": "#808080",
      "tab_background_text": "#141414"
    }
  },
  "version": "2.0",
  "name": "MJ with Balloons",
  "manifest_version": 2,
  "description": "Michael Jackson"
}