I have a template with the original code below and I am trying to create a third level in this menu.
I can not change this code to avoid formatting errors with the other pages, I need is to create a level adding codes.
Can anyone help me?
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "(URL address blocked: See forum rules)">
<html xmlns="(URL address blocked: See forum rules)">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<style type="text/css">

/* START:Top Menu
#top-menu {
	margin: 15px 0 0 0;
	position: relative;
	z-index: 1;
#top-menu ul {
	list-style-type: none;
	margin: 0;
	padding: 0;
#top-menu ul li {
	float: left;
#top-menu ul li a {
	font-family: proxima_novasemibold, Arial;
	font-size: 17px;
	padding: 11px 18px;
	color: white;
	text-decoration: none;
	text-shadow: 0 -1px 0 #0b3751;
	-webkit-transition: background 0.5s ease, color 0.3s ease;
	transition: background 0.5s ease, color 0.3s ease;
#top-menu ul li:hover > a {
	background: #265668;
	border: 1px solid #30677b;
	border-radius: 4px;
	-webkit-border-radius: 4px;
	padding: 10px 17px;
	color: #bbecff;

/* START Drop Down Menu
#top-menu li ul {
	min-width: 200px;
	position: absolute;
	margin: 8px 0 0 1px;
	opacity: 0;
	visibility: hidden;
	transition: visibility 0s linear 0.5s,opacity 0.5s linear;
	z-index: 12;
#top-menu li ul li {
	background: #204d5e;
	min-width: 212px;
	clear: both;
	padding: 5px 10px;
	border-bottom: 1px solid #bbecff;
#top-menu li ul li a {
	color: white;
	font-size: 14px;
	padding: 5px;
#top-menu li ul li:hover a {
	background: none !important;
	border: 0 !important;
	padding: 5px !important;
#top-menu ul li:hover ul,
#top-menu li li:hover ul,
#top-menu li li li:hover ul {
	opacity: 1;
	overflow: hidden;
	visibility: visible;
	transition-delay: 0s;
#top-menu li ul li:last-child {
	border-bottom-left-radius: 5px;
	border-bottom-right-radius: 5px;
/* END Drop Down Menu

/* START Drop Down Menu - 3 level


<div id="top-menu">
		<li><a href="#">Home</a></li>
        <li><a href="#">Item 1</a></li>
        <li><a href="#">Item 2</a></li>
        <li><a href="#">Item 3</a>
                <li id="dropDown"><a href="#">Item 3.1</a></li>
                <li id="dropDown"><a href="#">Item 3.2</a></li>
        <li><a href="#">Item 4</a>
				 <li id="dropDown"><a href="#">Item 4.1</a>
						<li id="dropDown"><a href="#">Item 4.1.1</a>
								<li id="dropDown"><a href="#">Item</a></li>
						<li id="dropDown2"><a href="#">Item 4.1.2</a>
								<li id="dropDown"><a href="#">Item</a></li>
								<li id="dropDown"><a href="#">Item</a></li>
						<li id="dropDown"><a href="#">Item 4.1.3</a></li>
		<li><a href="#">Item 5</a></li>
        <li><a href="#">Item 6</a></li>
        <li><a href="#">Item 7</a></li>  

<div class="clr"></div>