Examine source code of sukuna black

{
  "name": "sukuna",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Picture6.png"
    },
    "colors": {
      "frame": "rgba(245, 108, 213, 1)",
      "tab_background_text": "rgba(250, 245, 245, 1)",
      "toolbar": "rgba(33, 30, 30, 1)",
      "bookmark_text": "rgba(245, 235, 235, 1)",
      "toolbar_field": "rgba(5, 5, 5, 1)",
      "toolbar_field_text": "rgba(247, 228, 228, 1)",
      "tab_line": "rgba(10, 10, 10, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ca374d48-e939-4739-bbf4-bf7abcfc0c29}"
    }
  }
}