Examine source code of Cozy Purple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Cozy",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-037-b73f9b34467ba541de861f5b4c0c6316.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(56, 64, 71)",
      "toolbar_text": "rgb(110, 147, 247)",
      "frame": "rgb(44, 52, 57)",
      "tab_background_text": "rgb(137, 139, 145)",
      "toolbar_field": "rgb(44, 52, 57)",
      "toolbar_field_text": "rgb(122, 107, 217)",
      "tab_line": "rgb(104, 34, 219)",
      "popup": "rgb(56, 64, 71)",
      "popup_text": "rgb(98, 102, 183)",
      "tab_loading": "rgb(104, 34, 219)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a6b121c9-2166-4e2a-9a30-76144cb1a7c0}"
    }
  }
}