Examine source code of MacOS (Light)

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "MacOS Native - Light",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-002-609370e89a219e0548ac5ef6b4a7dd2e.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(237, 239, 241)",
      "toolbar_text": "rgb(122, 122, 122)",
      "frame": "rgb(202, 207, 212)",
      "tab_background_text": "rgb(106, 106, 106)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(122, 122, 122)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(229, 230, 232)",
      "popup_text": "rgb(122, 122, 122)",
      "button_background_active": "rgb(216, 218, 220)",
      "button_background_hover": "rgb(237, 239, 241)",
      "frame_inactive": "rgb(255, 255, 255)",
      "icons_attention": "rgb(106, 106, 106)",
      "icons": "rgb(102, 102, 103)",
      "ntp_background": "rgb(237, 239, 241)",
      "ntp_text": "rgb(0, 0, 0)",
      "popup_border": "rgb(255, 255, 255)",
      "popup_highlight_text": "rgb(106, 106, 106)",
      "popup_highlight": "rgb(229, 230, 232)",
      "sidebar_border": "rgb(216, 218, 220)",
      "sidebar_highlight_text": "rgb(11, 11, 11)",
      "sidebar_highlight": "rgb(229, 230, 232)",
      "sidebar_text": "rgb(11, 11, 11)",
      "sidebar": "rgb(249, 249, 250)",
      "tab_background_separator": "rgb(255, 255, 255)",
      "tab_selected": "rgb(237, 239, 241)",
      "toolbar_bottom_separator": "rgb(205, 205, 208)",
      "toolbar_field_border": "rgb(216, 218, 220)",
      "toolbar_field_highlight_text": "rgb(11, 11, 11)",
      "toolbar_field_separator": "rgb(200, 200, 205)",
      "toolbar_field_text_focus": "rgb(11, 11, 11)",
      "toolbar_top_separator": "rgb(255, 255, 255)",
      "toolbar_vertical_separator": "rgb(229, 230, 232)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  }
}