.ui-autocomplete {
  max-height: 100px;
  overflow-y: auto;
  overflow-x: hidden;
}

/* IE 6 doesn't support max-height   * we use height instead, but this forces the menu to always be this tall */

* html .ui-autocomplete {
  height: 100px;
}

.ui-autocomplete {
  z-index: 100;
}