Examine source code of Royal Purple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Royal Purple",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(40, 8, 61)",
      "toolbar_text": "rgb(255, 174, 2)",
      "frame": "rgb(40, 8, 61)",
      "tab_background_text": "rgb(255, 174, 2)",
      "toolbar_field": "rgb(40, 8, 61)",
      "toolbar_field_text": "rgb(255, 174, 2)",
      "tab_line": "rgb(255, 174, 2)",
      "popup": "rgb(40, 8, 61)",
      "popup_text": "rgb(255, 174, 2)",
      "ntp_background": "rgb(40, 8, 61)",
      "popup_border": "rgb(255, 174, 2)",
      "sidebar_border": "rgb(40, 8, 61)",
      "sidebar_text": "rgb(255, 174, 2)",
      "sidebar": "rgb(40, 8, 61)",
      "tab_loading": "rgb(255, 174, 2)",
      "toolbar_bottom_separator": "rgb(40, 8, 61)",
      "toolbar_field_border": "rgb(255, 174, 2)",
      "toolbar_field_separator": "rgb(40, 8, 61)",
      "toolbar_top_separator": "rgb(40, 8, 61)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{14eeaee1-70c4-4fe0-8325-e7c38d89dec1}"
    }
  }
}