Examine source code of Nicky

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Nicky",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-005-f5f3cf677b1f132c75ddc7bd319dd1fc.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(123, 140, 151)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(45, 90, 116)",
      "tab_background_text": "rgb(14, 241, 235)",
      "toolbar_field": "rgb(252, 252, 252)",
      "toolbar_field_text": "rgb(214, 81, 109)",
      "tab_line": "rgb(5, 238, 41)",
      "popup": "rgb(202, 214, 223)",
      "popup_text": "rgb(177, 63, 87)",
      "frame_inactive": "rgb(164, 148, 148)",
      "icons_attention": "rgb(50, 98, 55)",
      "icons": "rgb(41, 18, 5)",
      "ntp_background": "rgb(176, 144, 136)",
      "ntp_text": "rgb(187, 50, 50)",
      "popup_border": "rgb(14, 241, 235)",
      "sidebar_border": "rgb(45, 193, 101)",
      "tab_loading": "rgb(5, 238, 41)"
    }
  }
}