#menu {
width: 9em; /* set width of menu */
background: white;
float:left;
} 

#menu ul { /* remove bullets and list indents */
list-style: none;
margin: 0;
padding: 0;
}

/* style, color and size links and headings to suit */
#menu a, #menu h2 {
font: 11px/16px arial, helvetica, sans-serif;
display: block;
border-width: 1px;
border-style: solid;
border-color: white;
margin: 0;
padding: 2px 3px;
}

#menu h2 {
color: #fff;
background: #000;
text-transform: uppercase;
}

#menu a {
color: #5C7824;
background: white;
text-decoration: none;
}

#menu a:hover {
color: white;
background: #5C7824;
}

#menu li {
/* make the list elements a containing block for the nested lists */
position: relative;
} 

#menu ul ul ul 
{display: none;}

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

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

#menu li {position: relative;}

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