Examine source code of Green work Theme

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "Green work theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-005-f5f3cf677b1f132c75ddc7bd319dd1fc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(210, 232, 235)",
      "toolbar_text": "rgb(3, 78, 89)",
      "frame": "rgb(3, 78, 89)",
      "tab_background_text": "rgb(253, 248, 242)",
      "toolbar_field": "rgb(253, 248, 242)",
      "toolbar_field_text": "rgb(3, 78, 89)",
      "tab_line": "rgb(3, 78, 89)",
      "popup": "rgb(210, 232, 235)",
      "popup_text": "rgb(3, 78, 89)",
      "button_background_active": "rgb(210, 232, 235)",
      "button_background_hover": "rgb(253, 248, 242)",
      "icons": "rgb(3, 78, 89)",
      "popup_border": "rgb(3, 78, 89)",
      "tab_loading": "rgb(3, 78, 89)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2e7e7771-311e-4f15-908f-d008c8cfad35}"
    }
  }
}