Examine source code of Dracula Enhanced

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dracula Pro",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(34, 33, 44)",
      "toolbar_text": "rgb(248, 248, 242)",
      "frame": "rgb(34, 33, 44)",
      "tab_background_text": "rgb(248, 248, 242)",
      "toolbar_field": "rgba(69, 65, 88, 0.45)",
      "toolbar_field_text": "rgb(248, 248, 242)",
      "tab_line": "rgb(132, 255, 243)",
      "popup": "rgb(34, 33, 44)",
      "popup_text": "rgb(248, 248, 242)",
      "popup_border": "rgb(138, 255, 128)",
      "popup_highlight": "rgb(69, 65, 88)",
      "sidebar_border": "rgb(138, 255, 128)",
      "sidebar_text": "rgb(248, 248, 242)",
      "sidebar": "rgb(34, 33, 44)",
      "tab_selected": "rgba(69, 65, 88, 0.66)",
      "tab_text": "rgb(138, 255, 128)",
      "toolbar_bottom_separator": "rgba(34, 33, 44, 0)",
      "toolbar_field_border": "rgba(34, 33, 44, 0)",
      "tab_loading": "rgb(132, 255, 243)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5eac47c2-533f-4935-b813-0e409ea7a776}"
    }
  }
}