Examine source code of darkZen_Mars

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "darkZen_Mars",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(54, 54, 54)",
      "toolbar_text": "rgb(239, 134, 77)",
      "frame": "rgb(18, 18, 18)",
      "tab_background_text": "rgb(154, 67, 44)",
      "toolbar_field": "rgb(54, 54, 54)",
      "toolbar_field_text": "rgb(249, 59, 40)",
      "tab_line": "rgb(235, 50, 30)",
      "popup": "rgb(65, 70, 70)",
      "popup_text": "rgb(223, 144, 82)",
      "button_background_active": "rgba(118, 70, 31, 0.62)",
      "button_background_hover": "rgba(31, 23, 12, 0.82)",
      "frame_inactive": "rgb(108, 104, 104)",
      "icons_attention": "rgb(237, 224, 212)",
      "icons": "rgb(209, 53, 36)",
      "ntp_background": "rgb(71, 73, 71)",
      "ntp_text": "rgb(252, 89, 89)",
      "popup_border": "rgba(103, 111, 108, 0.08)",
      "popup_highlight_text": "rgba(98, 119, 98, 0.78)",
      "popup_highlight": "rgb(108, 104, 94)",
      "sidebar_border": "rgba(248, 185, 64, 0)",
      "sidebar_highlight_text": "rgb(215, 224, 227)",
      "sidebar_highlight": "rgb(180, 72, 52)",
      "sidebar_text": "rgb(177, 119, 73)",
      "sidebar": "rgb(71, 73, 71)",
      "tab_background_separator": "rgba(157, 198, 183, 0)",
      "tab_loading": "rgba(215, 224, 227, 0.44)",
      "tab_text": "rgb(249, 81, 17)",
      "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(67, 67, 65)",
      "toolbar_field_highlight_text": "rgb(151, 153, 154)",
      "toolbar_field_highlight": "rgb(151, 56, 26)",
      "toolbar_field_separator": "rgba(98, 119, 98, 0.78)",
      "toolbar_field_text_focus": "rgb(215, 224, 227)",
      "toolbar_top_separator": "rgba(157, 198, 183, 0)",
      "toolbar_vertical_separator": "rgba(217, 212, 203, 0)"
    }
  }
}