Examine source code of Ghostly Cat by M♥Donna

{
  "name": "Ghostly Cat by M♥Donna",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "Ghostly CatH.jpg"
    },
    "colors": {
      "frame": "rgba(19, 23, 94, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(19, 21, 97, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(19, 22, 97, 0.06)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{dd40c85d-b8b9-4439-b658-f1733e6d038c}"
    }
  }
}