Examine source code of arcane lol

{
  "name": "arcane",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "hfhdkjfhs.jpg"
    },
    "colors": {
      "frame": "rgba(245, 103, 183, 1)",
      "tab_background_text": "rgba(115, 199, 235, 1)",
      "toolbar": "rgba(235, 85, 177, 1)",
      "bookmark_text": "rgba(115, 199, 235, 1)",
      "toolbar_field": "rgba(235, 174, 209, 1)",
      "toolbar_field_text": "rgba(115, 199, 235, 1)",
      "tab_line": "rgba(115, 199, 235, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e0908b47-8b98-4b2e-bb33-d7bb7d8fb116}"
    }
  }
}