dl, dt, dd, ul, li {
margin: 0;
padding: 0;
list-style-type: none;
}
#menu {
top: 0;
left: 0;
}
#menu {
width: 12em;
}
#menu dt {
cursor: pointer;
margin: 2px 0;;
height: 20px;
line-height: 20px;
text-align: center;
font-weight: bold;
background: #fff;
}
#menu dd {

}
#menu li {
text-align: center;
background: #fff;
}
#menu li a, #menu dt a {
color: #000;
text-decoration: none;
display: block;
border: 0 none;
height: 100%;
}
#menu li a:hover, #menu dt a:hover {
background: #ccc;
}