Examine source code of Catppuchin Mocha

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Catppuchin Mocha",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(40, 39, 64)",
      "toolbar_text": "rgb(210, 208, 255)",
      "frame": "rgb(30, 29, 48)",
      "tab_background_text": "rgb(210, 208, 255)",
      "toolbar_field": "rgb(30, 29, 48)",
      "toolbar_field_text": "rgb(210, 208, 255)",
      "tab_line": "rgb(40, 39, 64)",
      "popup": "rgb(40, 39, 64)",
      "popup_text": "rgb(210, 208, 255)",
      "icons": "rgb(210, 208, 255)",
      "ntp_text": "rgb(210, 208, 255)",
      "sidebar_border": "rgba(9, 0, 255, 0)",
      "sidebar_highlight": "rgba(9, 0, 255, 0)",
      "toolbar_field_separator": "rgba(117, 117, 117, 0)",
      "toolbar_top_separator": "rgba(117, 117, 117, 0)",
      "toolbar_vertical_separator": "rgba(10, 0, 255, 0)",
      "tab_loading": "rgb(40, 39, 64)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{10595ebd-64ef-4739-b5d7-93ffd63b87f3}"
    }
  }
}