Examine source code of Eyes on Me

{
  "theme": {
    "images": {
      "theme_frame": "h12final.png"
    },
    "colors": {
      "frame": "#d5cfe8",
      "tab_background_text": "#e8e8f0"
    }
  },
  "version": "2.0",
  "name": "Eyes on Me",
  "manifest_version": 2,
  "description": "Michishige Sayumi from Morning Musume!"
}