Examine source code of Yuurara

{
  "theme": {
    "images": {
      "theme_frame": "Untitled-2copy.jpg"
    },
    "colors": {
      "frame": "#3e0078",
      "tab_background_text": "#cf0b0b"
    }
  },
  "version": "2.0",
  "name": "Yuurara",
  "manifest_version": 2,
  "description": "Yuurara by me~\nKeroro Gunso (c) Mine Yoshizaki"
}