Examine source code of Elite Purple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Elite Purple",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(57, 47, 90)",
      "toolbar_text": "rgb(253, 252, 220)",
      "frame": "rgb(74, 69, 128)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(253, 252, 220)",
      "toolbar_field_text": "rgb(230, 137, 120)",
      "tab_line": "rgb(57, 47, 90)",
      "popup": "rgb(102, 96, 178)",
      "popup_text": "rgb(253, 252, 220)",
      "button_background_active": "rgb(84, 80, 122)",
      "button_background_hover": "rgb(74, 69, 128)",
      "icons": "rgb(253, 252, 220)",
      "ntp_background": "rgb(84, 80, 122)",
      "ntp_text": "rgb(253, 252, 220)",
      "popup_border": "rgb(102, 96, 178)",
      "popup_highlight_text": "rgb(102, 96, 178)",
      "sidebar_border": "rgb(74, 69, 128)",
      "sidebar_highlight": "rgba(57, 47, 90, 0.69)",
      "sidebar_text": "rgb(253, 252, 220)",
      "sidebar": "rgb(74, 69, 128)",
      "toolbar_bottom_separator": "rgb(57, 47, 90)",
      "toolbar_field_border_focus": "rgb(253, 252, 220)",
      "toolbar_field_border": "rgb(253, 252, 220)",
      "toolbar_field_highlight_text": "rgba(57, 47, 90, 0.69)",
      "toolbar_field_highlight": "rgb(230, 137, 120)",
      "toolbar_field_separator": "rgb(57, 47, 90)",
      "toolbar_field_text_focus": "rgb(102, 96, 178)",
      "toolbar_top_separator": "rgba(57, 47, 90, 0.69)",
      "tab_loading": "rgb(57, 47, 90)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2192a899-f119-4e81-a422-707ab4390762}"
    }
  }
}