Examine source code of Raifyun 2

{
  "theme": {
    "images": {
      "theme_frame": "Raifyun-Refreshed-Copy.jpg"
    },
    "colors": {
      "frame": "#363333",
      "tab_background_text": "#5e5a5a"
    }
  },
  "version": "2.0",
  "name": "Raifyun 2",
  "manifest_version": 2,
  "description": "Nothing much"
}