Examine source code of MacOS Light Grey

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "MacOS Light Grey",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(253, 253, 253, 0)",
      "toolbar_text": "rgb(100, 101, 99)",
      "frame": "rgb(253, 253, 253)",
      "tab_background_text": "rgb(58, 58, 58)",
      "toolbar_field": "rgba(203, 209, 209, 0.7)",
      "toolbar_field_text": "rgb(27, 49, 49)",
      "tab_line": "rgb(228, 231, 226)",
      "popup": "rgb(253, 253, 253)",
      "popup_text": "rgb(57, 57, 56)",
      "icons_attention": "rgba(94, 163, 231, 0.85)",
      "tab_background_separator": "rgba(253, 253, 253, 0)",
      "tab_selected": "rgb(191, 199, 202)",
      "tab_text": "rgb(75, 75, 75)",
      "toolbar_bottom_separator": "rgb(209, 209, 205)",
      "toolbar_field_border_focus": "rgb(199, 199, 197)",
      "toolbar_field_border": "rgba(253, 253, 253, 0.01)",
      "toolbar_field_separator": "rgba(229, 225, 225, 0)",
      "toolbar_top_separator": "rgba(253, 253, 253, 0)",
      "toolbar_vertical_separator": "rgba(176, 177, 179, 0.85)",
      "tab_loading": "rgb(228, 231, 226)"
    }
  }
}