@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

#back-button[disabled="true"] {
  display: none !important;
}

#forward-button .toolbarbutton-icon {
  opacity: 0 !important;
}

#back-to-close-button .toolbarbutton-icon {
  opacity: 0 !important;
}

#back-to-close-button {
  background: url("data:image/png;base64,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") !important;
  border: none !important;
  padding: 0px !important;
  padding-left: 2px !important;
  background-repeat: no-repeat !important;
  background-position: 2px 2px !important; 
}

#back-to-close-button:hover {
  background: url("data:image/png;base64,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") !important;
  background-repeat: no-repeat !important;
  background-position: 2px 2px !important;
}