Examine source code of Nord lite

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "Nord lite",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-001-9c6d74e14860e77ee6f8f43e824bff25.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(63, 63, 63)",
      "toolbar_text": "rgb(158, 158, 158)",
      "frame": "rgb(34, 34, 34)",
      "tab_background_text": "rgb(158, 158, 158)",
      "toolbar_field": "rgb(81, 81, 81)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(226, 226, 226, 0.8)",
      "popup": "rgb(63, 63, 63)",
      "popup_text": "rgb(255, 255, 255)",
      "icons_attention": "rgb(221, 221, 221)",
      "icons": "rgb(203, 203, 203)",
      "ntp_background": "rgb(34, 34, 34)",
      "popup_highlight": "rgb(72, 70, 70)",
      "sidebar_border": "rgb(63, 63, 63)",
      "sidebar_highlight": "rgb(203, 203, 203)",
      "sidebar": "rgb(63, 63, 63)",
      "tab_loading": "rgb(226, 226, 226)",
      "toolbar_bottom_separator": "rgb(63, 63, 63)",
      "toolbar_field_border_focus": "rgba(226, 226, 226, 0.85)",
      "toolbar_field_border": "rgba(226, 226, 226, 0.12)",
      "toolbar_field_highlight": "rgb(215, 215, 215)"
    }
  }
}