Examine source code of Fate Nero

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#e5e5e5",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Fate Nero",
  "manifest_version": 2,
  "description": "Nero Claudius (Bride)\n\nArtist  - ももこ＠１日目東Ａ47a -\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/d8ede55484f7ba9ee8df2a4824b1881faabe09fbdd03a814f899e6885f243977/https%3A//www.pixiv.net/member.php%3Fid=1113943\">https://www.pixiv.net/member.php?id=1113943</a>"
}