.ui-menu {
  margin:0;
  padding:0;
  background-color: #dddddd;
}
.ui-menu .ui-menu-item a {
  line-height: 0.8em;
  font-size: 0.8em;
}
.ui-corner-all {
  border-radius: 0px;
}
#ui-active-menuitem {
  background-color: #aaaaaa;
}