Examine source code of SSF2 Beta HD

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#525252",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "SSF2 Beta HD",
  "manifest_version": 2,
  "description": "Credits to McleodGaming for the original sprite work and logo! Super Smash Flash 2 is a flash fan game of the Super Smash Bros series, currently in development. \n\nCheck it out here: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/a86068663107b15e27565f3e6c8fd0f14c4680b25f128eee98612a3d75e40690/https%3A//www.mcleodgaming.com/\">https://www.mcleodgaming.com/</a>\n\nChrome users please try my chrome theme!\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/90af62e1cbac988d390f804ccaa43bbcb0d4ee8bcdaef92cce6f39ef41a7d115/https%3A//www.themebeta.com/chrome/theme/701392\">https://www.themebeta.com/chrome/theme/701392</a>"
}