.tabs-closebutton {
  margin: 0px 4px;
  padding: 3px 2px;
  border: none;
  list-style-image: url("close.gif");
}

.tabs-closebutton:hover {
  list-style-image: url("close-hov.gif");
}

.tabs-closebutton:hover:active {
  list-style-image: url("close-act.gif");
}

.tabs-closebutton[disabled="true"] {
  padding: 3px 2px !important;
  list-style-image: url("close-dis.gif") !important;
}