Examine source code of Josh Groban

{
  "theme": {
    "images": {
      "theme_frame": "header3.jpg"
    },
    "colors": {
      "frame": "#030303",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "Josh Groban",
  "manifest_version": 2,
  "description": "After making one with Michael Buble, I decided to make one for me with Josh Groban. Hope you like this."
}