Examine source code of Animated│Nightmare

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Animated│Nightmare",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right bottom",
        "left bottom"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 25, 255, 0.08)",
      "toolbar_text": "rgb(203, 227, 255)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(203, 227, 255)",
      "toolbar_field": "rgba(0, 4, 24, 0.1)",
      "toolbar_field_text": "rgb(38, 61, 255)",
      "tab_line": "rgba(0, 27, 255, 0.5)",
      "popup": "rgb(0, 4, 24)",
      "popup_text": "rgb(203, 227, 255)",
      "button_background_active": "rgba(38, 61, 255, 0.2)",
      "button_background_hover": "rgba(38, 61, 255, 0.5)",
      "icons_attention": "rgb(0, 27, 255)",
      "icons": "rgb(0, 204, 255)",
      "popup_border": "rgba(0, 27, 255, 0.5)",
      "sidebar_text": "rgb(0, 27, 255)",
      "tab_loading": "rgb(0, 255, 230)",
      "tab_selected": "rgba(0, 255, 230, 0.1)",
      "tab_text": "rgb(203, 227, 255)",
      "toolbar_bottom_separator": "rgb(0, 27, 255)",
      "toolbar_field_border_focus": "rgba(0, 27, 255, 0.25)",
      "toolbar_field_border": "rgba(0, 27, 255, 0.5)",
      "toolbar_top_separator": "rgba(0, 27, 255, 0.5)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5c8bb557-8309-4021-8f96-87d72349551b}"
    }
  }
}