Examine source code of Subtle Omni Flag

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Subtle Omni Flag",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-005-f5f3cf677b1f132c75ddc7bd319dd1fc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(33, 20, 116)",
      "toolbar_text": "rgb(134, 180, 236)",
      "frame": "rgb(88, 69, 208)",
      "tab_background_text": "rgb(245, 220, 249)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(33, 20, 116)",
      "tab_line": "rgb(225, 73, 221)",
      "popup": "rgb(255, 153, 214)",
      "popup_text": "rgb(33, 20, 116)",
      "icons": "rgb(245, 220, 249)",
      "tab_loading": "rgb(225, 73, 221)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{33898c98-72a1-42e2-b29e-52e3f6301f01}"
    }
  }
}