Examine source code of QNO Absolut Black

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "QNO Absolut Black",
  "theme": {
    "colors": {
      "button_background_active": "#fff2",
      "button_background_hover": "#fff1",
      "frame": "#000",
      "icons_attention": "#0df",
      "icons": "#666",
      "popup_border": "#75747a",
      "popup_highlight_text": "#fff",
      "popup_highlight": "#52525e",
      "popup_text": "#fbfbfe",
      "popup": "#2b2a33",
      "sidebar_border": "transparent",
      "sidebar_text": "#888",
      "sidebar": "#000",
      "tab_background_text": "#888",
      "tab_line": "#333",
      "tab_loading": "#0df",
      "tab": "#171717",
      "tab_text": "#aaa",
      "toolbar_bottom_separator": "#000",
      "toolbar_field_border": "#111",
      "toolbar_field_border_focus": "#75747a",
      "toolbar_field_focus": "#111",
      "toolbar_field_text": "#666",
      "toolbar_field_text_focus": "#ccc",
      "toolbar_field": "#000",
      "toolbar_horizontal_separator": "#dbdbdb",
      "toolbar_text": "#666",
      "toolbar_top_separator": "transparent",
      "toolbar_vertical_separator": "#dbdbdb",
      "toolbar": "#000"
    },
    "properties": {
      "color_scheme": "dark"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1ab1d852-fa48-46e3-92cf-598f06dd9f43}"
    }
  }
}