Examine source code of Ten Count Yaoi

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#171421",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Ten Count Yaoi",
  "manifest_version": 2,
  "description": "10 count / テンカウント/ 宝井理人 is a yaoi manga by Takarai Rihito.\nShirotani and Kurose."
}