/* style the outer div to give it width */
.menu {
  width : 900px;
	text-align : center;
	font-size : 14px;
}
/* remove all the bullets, borders and padding from the default list styling */
.menu ul {
	padding : 0;
	margin : 0;
	list-style-type : none;
}
.menu ul ul {
  width : 100px;
}
/* float the list to make it horizontal and a relative positon so that you can control the dropdown menu positon */
.menu li {
  float : left;
  width : 100px;
  position : relative;
}

/* hide the sub levels and give them a positon absolute so that they take up no room */
.menu ul ul {
  visibility : hidden;
  position : absolute;
  height : 0px;
  top : 31px;
	left : 0px;
  width : 100px;
}

/* make the second level visible when hover on first level list OR link */
.menu ul li:hover ul,
.menu ul a:hover ul, .menu li.over ul {
  visibility : visible; 
}