.autocomplete 
{
    position:absolute;
    background: #fff;
    border: 1px solid #888;
    list-style-type: none;
    z-index: 1601;
    display:block;
}

.autocomplete option {
  padding: 2px;
  margin: 0;
}

.autocomplete option.selected
{
  background:Blue;
  color: #fff;
}