Examine source code of Fimbulwinter – A Nordish theme

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "Fimbulwinter – A Nordish theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(31, 38, 44)",
      "toolbar_text": "rgb(95, 119, 128)",
      "frame": "rgb(15, 21, 26)",
      "tab_background_text": "rgb(83, 92, 98)",
      "toolbar_field": "rgb(15, 21, 26)",
      "toolbar_field_text": "rgb(113, 123, 125)",
      "tab_line": "rgb(136, 192, 208)",
      "popup": "rgb(36, 43, 48)",
      "popup_text": "rgb(157, 170, 177)",
      "button_background_active": "rgb(136, 192, 208)",
      "button_background_hover": "rgba(255, 255, 255, 0.08)",
      "icons": "rgb(84, 95, 104)",
      "ntp_background": "rgb(25, 31, 36)",
      "ntp_text": "rgb(128, 140, 147)",
      "popup_border": "rgba(128, 140, 147, 0)",
      "popup_highlight_text": "rgb(15, 21, 26)",
      "popup_highlight": "rgb(136, 192, 208)",
      "sidebar_border": "rgba(128, 140, 147, 0)",
      "sidebar_highlight_text": "rgb(15, 21, 26)",
      "sidebar_highlight": "rgb(136, 192, 208)",
      "sidebar_text": "rgb(128, 140, 147)",
      "sidebar": "rgb(36, 43, 48)",
      "tab_background_separator": "rgb(94, 98, 100)",
      "tab_text": "rgb(223, 223, 223)",
      "toolbar_bottom_separator": "rgba(55, 148, 193, 0)",
      "toolbar_field_border_focus": "rgba(94, 98, 100, 0)",
      "toolbar_field_border": "rgba(94, 98, 100, 0)",
      "toolbar_field_focus": "rgb(36, 43, 48)",
      "toolbar_field_highlight_text": "rgb(218, 227, 229)",
      "toolbar_field_highlight": "rgb(44, 52, 57)",
      "toolbar_field_separator": "rgb(41, 49, 55)",
      "toolbar_field_text_focus": "rgb(129, 136, 136)",
      "toolbar_top_separator": "rgba(24, 212, 212, 0)",
      "toolbar_vertical_separator": "rgba(241, 57, 6, 0)",
      "tab_loading": "rgb(136, 192, 208)"
    }
  }
}