Examine source code of Hunter X Hunter 3

{
  "name": "gfdgfdgf",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "gfdgfdgf.jpg"
    },
    "colors": {
      "frame": "rgba(116, 150, 232, 1)",
      "tab_background_text": "rgba(10, 237, 245, 1)",
      "toolbar": "rgba(199, 197, 197, 1)",
      "bookmark_text": "rgba(53, 143, 49, 1)",
      "toolbar_field": "rgba(155, 103, 158, 1)",
      "toolbar_field_text": "rgba(153, 50, 50, 1)",
      "tab_line": "rgba(193, 212, 21, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{dc4c247f-95df-4ecd-9e6d-35f0c593bff2}"
    }
  }
}