Examine source code of Enigma

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Enigma",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(225, 234, 239, 0)",
      "toolbar_text": "rgb(161, 20, 152)",
      "frame": "rgb(0, 3, 6)",
      "tab_background_text": "rgb(149, 20, 142)",
      "toolbar_field": "rgba(255, 255, 255, 0)",
      "toolbar_field_text": "rgb(154, 21, 187)",
      "tab_line": "rgba(147, 19, 149, 0.85)",
      "popup": "rgb(94, 11, 94)",
      "popup_text": "rgb(12, 12, 13)",
      "icons_attention": "rgb(165, 19, 165)",
      "sidebar_border": "rgb(191, 39, 191)",
      "tab_loading": "rgb(191, 39, 191)",
      "toolbar_bottom_separator": "rgb(70, 15, 85)"
    }
  }
}