Examine source code of xdonnathon200x

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "xdonnathon200x",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-045-3e6898966e6ccdc87f80d23d4e7a6a49.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(104, 0, 44, 0.94)",
      "toolbar_text": "rgb(255, 209, 219)",
      "frame": "rgb(29, 0, 1)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(148, 53, 55, 0.25)",
      "toolbar_field_text": "rgb(240, 207, 218)",
      "tab_line": "rgb(218, 0, 43)",
      "popup": "rgb(142, 0, 45)",
      "popup_text": "rgb(255, 185, 208)",
      "button_background_hover": "rgb(222, 0, 66)",
      "icons_attention": "rgb(255, 151, 151)",
      "ntp_background": "rgb(81, 2, 43)",
      "ntp_text": "rgb(255, 87, 173)",
      "tab_loading": "rgb(218, 0, 43)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{adebda53-347a-483d-bce0-12254e50913c}"
    }
  }
}