Examine source code of PersonasYoiyami

{
  "theme": {
    "images": {
      "theme_frame": "personas_02.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "PersonasYoiyami",
  "manifest_version": 2,
  "description": "現代伝奇和風ファンタジーＰＢＷ\n宵闇幻影奇譚\n<a href=\"https://outgoing.prod.mozaws.net/v1/0aa886473bb9d9ca57a401d8b71881733faa07d5ad4932aae51e7545092ffb2d/http%3A//you-you-kan.jp/\" rel=\"nofollow\">http://you-you-kan.jp/</a>"
}