Examine source code of NordGreen

{
  "manifest_version": 2,
  "version": "1.2",
  "name": "NordGreen",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(94, 129, 172)",
      "toolbar_text": "rgb(236, 239, 244)",
      "frame": "rgb(46, 52, 64)",
      "tab_background_text": "rgb(216, 222, 233)",
      "toolbar_field": "rgb(46, 52, 64)",
      "toolbar_field_text": "rgb(163, 190, 140)",
      "tab_line": "rgb(94, 129, 172)",
      "popup": "rgb(46, 52, 64)",
      "popup_text": "rgb(163, 190, 140)",
      "button_background_active": "rgb(67, 76, 94)",
      "button_background_hover": "rgb(67, 76, 94)",
      "ntp_text": "rgb(163, 190, 140)",
      "popup_border": "rgb(46, 52, 64)",
      "sidebar_border": "rgb(46, 52, 64)",
      "sidebar_text": "rgb(236, 239, 244)",
      "sidebar": "rgb(46, 52, 64)",
      "toolbar_bottom_separator": "rgb(94, 129, 172)",
      "toolbar_field_border_focus": "rgb(163, 190, 140)",
      "toolbar_field_highlight_text": "rgb(235, 203, 139)",
      "toolbar_field_highlight": "rgb(76, 86, 106)",
      "toolbar_top_separator": "rgb(94, 129, 172)",
      "tab_loading": "rgb(94, 129, 172)"
    }
  }
}