Examine source code of sukuna

{
  "name": "sukuna",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "sukuna-yuji-itadori-de-jujutsu-kaisen_3840x2160_xtrafondos.com(1).jpg"
    },
    "colors": {
      "frame": "rgba(245, 142, 168, 1)",
      "tab_background_text": "rgba(245, 226, 244, 1)",
      "toolbar": "rgba(20, 18, 20, 1)",
      "bookmark_text": "rgba(244, 235, 245, 1)",
      "toolbar_field": "rgba(10, 9, 10, 1)",
      "toolbar_field_text": "rgba(242, 250, 249, 1)",
      "tab_line": "rgba(51, 41, 41, 0.86)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{26764db0-3abb-4106-8aeb-70a6b3c50965}"
    }
  }
}