Examine source code of fd

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "fd",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(119, 15, 214)",
      "toolbar_text": "rgb(251, 37, 76)",
      "frame": "rgb(167, 203, 237)",
      "tab_background_text": "rgb(168, 68, 107)",
      "toolbar_field": "rgb(17, 195, 96)",
      "toolbar_field_text": "rgb(34, 27, 164)",
      "tab_line": "rgb(6, 236, 66)",
      "popup": "rgb(101, 33, 99)",
      "popup_text": "rgb(119, 101, 64)",
      "tab_loading": "rgb(6, 236, 66)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f3541794-7028-41d0-acfd-9eb84a7b3ca4}"
    }
  }
}