Examine source code of Ubuntu Warm Grey

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "ubuntuWarmGrey",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(174, 167, 159)",
      "toolbar_text": "rgb(17, 17, 17)",
      "frame": "rgb(51, 51, 51)",
      "tab_background_text": "rgb(238, 237, 235)",
      "toolbar_field": "rgb(174, 167, 159)",
      "toolbar_field_text": "rgb(17, 17, 17)",
      "tab_line": "rgb(51, 51, 51)",
      "popup": "rgb(174, 167, 159)",
      "popup_text": "rgb(17, 17, 17)",
      "sidebar": "rgb(174, 167, 159)",
      "toolbar_field_border_focus": "rgb(182, 175, 168)",
      "toolbar_field_focus": "rgb(174, 167, 159)",
      "toolbar_field_highlight": "rgb(0, 99, 255)",
      "tab_loading": "rgb(51, 51, 51)"
    }
  }
}