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

#urlbar:hover #go-button {
  visibility: visible !important;
  -moz-box-ordinal-group: 1;
}

#feed-button {
  -moz-box-ordinal-group: 2;
}

#star-button {
  -moz-box-ordinal-group: 3;
}