Examine source code of darkSaturn

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "darkSaturn",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(68, 71, 71)",
      "toolbar_text": "rgb(224, 220, 220)",
      "frame": "rgb(68, 71, 71)",
      "tab_background_text": "rgb(239, 244, 246)",
      "toolbar_field": "rgb(141, 84, 125)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(189, 37, 209)",
      "popup": "rgb(68, 71, 71)",
      "popup_text": "rgb(142, 108, 205)",
      "button_background_active": "rgb(115, 112, 98)",
      "button_background_hover": "rgb(42, 139, 184)",
      "frame_inactive": "rgb(18, 18, 18)",
      "icons_attention": "rgb(45, 221, 191)",
      "icons": "rgba(229, 228, 249, 0.93)",
      "ntp_background": "rgb(63, 64, 64)",
      "ntp_text": "rgb(232, 86, 251)",
      "popup_border": "rgba(103, 111, 108, 0.08)",
      "popup_highlight_text": "rgba(239, 244, 246, 0.83)",
      "popup_highlight": "rgb(141, 84, 125)",
      "sidebar_border": "rgba(248, 185, 64, 0)",
      "sidebar_highlight_text": "rgb(215, 224, 227)",
      "sidebar_highlight": "rgb(103, 78, 128)",
      "sidebar_text": "rgb(252, 249, 246)",
      "sidebar": "rgb(65, 70, 70)",
      "tab_background_separator": "rgba(157, 198, 183, 0)",
      "tab_loading": "rgba(189, 37, 209, 0.58)",
      "tab_text": "rgb(255, 255, 255)",
      "toolbar_bottom_separator": "rgb(70, 71, 71)",
      "toolbar_field_border_focus": "rgb(38, 39, 38)",
      "toolbar_field_border": "rgba(248, 185, 64, 0)",
      "toolbar_field_focus": "rgb(35, 36, 37)",
      "toolbar_field_highlight_text": "rgb(224, 220, 220)",
      "toolbar_field_highlight": "rgb(141, 84, 125)",
      "toolbar_field_separator": "rgba(32, 250, 226, 0)",
      "toolbar_field_text_focus": "rgb(224, 220, 220)",
      "toolbar_top_separator": "rgba(157, 198, 183, 0)",
      "toolbar_vertical_separator": "rgba(217, 212, 203, 0)"
    }
  }
}