Examine source code of Mukuro

{
  "theme": {
    "images": {
      "theme_frame": "Sanstitre-3.jpg"
    },
    "colors": {
      "frame": "#a6a6a6",
      "tab_background_text": "#bababa"
    }
  },
  "version": "2.0",
  "name": "Mukuro",
  "manifest_version": 2,
  "description": "Mukuro \\o/"
}