Examine source code of Villainous Violet

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Villainous Violet",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-001-9c6d74e14860e77ee6f8f43e824bff25.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(92, 64, 153, 0.81)",
      "toolbar_text": "rgb(237, 240, 244)",
      "frame": "rgb(45, 36, 74)",
      "tab_background_text": "rgb(245, 241, 241)",
      "toolbar_field": "rgb(58, 49, 85)",
      "toolbar_field_text": "rgb(245, 239, 241)",
      "tab_line": "rgb(133, 103, 230)",
      "popup": "rgb(38, 24, 67)",
      "popup_text": "rgb(248, 245, 246)",
      "popup_border": "rgb(133, 103, 230)",
      "sidebar_border": "rgb(176, 74, 34)",
      "tab_loading": "rgb(133, 103, 230)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ed81fd56-561f-440d-9ae9-613c02ed358d}"
    }
  }
}