#main_nav li li a {
	display: block;
	font-weight: normal;
	color: #fff;
	padding: 0.2em 5px;
}

#main_nav li li a:hover {
  background-color:#66CC00;
  color:#fff;
}

#main_nav li:hover ul, #main_nav li.over ul { /* lists nested under hovered list items */
	display: block;
}

li ul {
	display: none;
	position: absolute;
	top: 100%;
	left: 0;
	font-weight: normal;
	padding: 0.6em 0 1em 0;
  margin: 0 0 0 0;
	border-color: #E7E7E7 #B2B2B2 #B2B2B2 #E7E7E7;
  border-style: solid;
  border-width: 1px 2px 2px 1px;
  background-color: #E4F6D2;
}

li>ul {
	_top: auto;
	_left: auto;
}

li li {
	display: block;
	float: none;
	background-color: transparent;
	border: 0;
}