Examine source code of Jazzercise

{
  "theme": {
    "images": {
      "theme_frame": "jazzercisepersonasmallheader.png"
    },
    "colors": {
      "frame": "#fcfcfc",
      "tab_background_text": "#fcfcfc"
    }
  },
  "version": "2.0",
  "name": "Jazzercise",
  "manifest_version": 2,
  "description": "Show off your Jazzercise pride.  We dance ourselves fit everyday, so why not outfit our browsers with Jazzercise, too?  Pink with abstract floral swirls."
}