#menu {
width: 100%;
background: #215B9B;
float: left;
}

#menu ul {
list-style: none;
border: 0;
margin: 0;
padding: 0;
width: 133px;
float: left;
}

#menu a, #menu h2 {
font: bold 14px/16px arial, helvetica, sans-serif;
display: block;
border-width: 1px;
border-style: solid;
border-color: #ccc #888 #555 #bbb;
#border-color: #215B9B;
margin: 0;
padding: 0;
}



#menu h2 {
color: #fff;
background: #215B9B;
text-transform: uppercase;
}

#menu a {
color: #000;
background: #FFFEF4;
text-decoration: none;
}

#menu a:hover {
color: #D82C42;
background: #FFF4D8;
}

#menu li {position: relative;}

#menu ul ul {
position: absolute;
z-index: 500;
}

#menu ul ul ul {
position: absolute;
top: 0;
left: 100%;
}

div#menu ul ul,
div#menu ul li:hover ul ul,
div#menu ul ul li:hover ul ul
{display: none;}

div#menu ul li:hover ul,
div#menu ul ul li:hover ul,
div#menu ul ul ul li:hover ul
{display: block;}

<!--[if IE]>
body {
behavior: url(csshover.htc);
font-size: 100%;
}

#menu ul li {float: left; width: 100%;}
#menu ul li a {height: 1%;} 

#menu a, #menu h2 {
font: bold 0.7em/1.4em arial, helvetica, sans-serif;
}
<![endif]-->