Examine source code of Perfume VOICE

{
  "theme": {
    "images": {
      "theme_frame": "header3.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#f291d5"
    }
  },
  "version": "2.0",
  "name": "Perfume VOICE",
  "manifest_version": 2,
  "description": "Perfume are Japanese artist. < Keyword: the-near-future, techno pop, Japanese Idol-unit >"
}