Examine source code of Sangonomiya Kokomi

{
  "name": "Sangonomiya Kokomi",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "kokomi.png"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(122, 114, 156, 1)",
      "toolbar": "rgba(98, 94, 214, 0.2)",
      "bookmark_text": "rgba(39, 28, 89, 1)",
      "toolbar_field": "rgba(9, 6, 48, 0.35)",
      "toolbar_field_text": "rgba(114, 110, 230, 1)",
      "tab_line": "rgba(102, 94, 214, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e18cd977-d84c-4293-aaa3-672241be959e}"
    }
  }
}