Examine source code of The Midnight Beast - Dark

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "The Midnight Beast - Dark",
  "manifest_version": 2,
  "description": "It's that YouTube sensation we all love, those cute British guys who go by the name of The Midnight Beast!"
}