Examine source code of ef - Yuuko

{
  "theme": {
    "images": {
      "theme_frame": "ef-Tale-Header.jpg"
    },
    "colors": {
      "frame": "#66ffff",
      "tab_background_text": "#ccccff"
    }
  },
  "version": "2.0",
  "name": "ef - Yuuko",
  "manifest_version": 2,
  "description": "Anime: ef - a fairy tale of the two\nCharacter: Yuuko Amamiya"
}