Examine source code of Leopard Beauty

{
  "name": "Leopard Beauty",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "LeopardBeautyH.jpg"
    },
    "colors": {
      "frame": "rgba(31, 31, 31, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(38, 37, 37, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(31, 31, 31, 0.06)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e921c434-214b-457b-91ad-48f81a0d6e28}"
    }
  }
}