#dd {
    margin: 1px 0 0;
    padding: 0;
    float: left;
	_font-size: 1px;
}
#dd .mainmenu {
    margin: 0;
    padding: 0;
    list-style: none;
    float: left;
}
#dd .mainmenu a.menu {
    display: block;
    text-align: center;
    padding:0;
    margin:0;
    width: 80px;
    text-decoration: none;
}
.submenu {
    visibility: hidden;
    margin: 0;
    padding: 0;
    width: 140px;
    list-style: none;
    float: left;
    position: absolute;
    z-index: 3;
}
.submenu a {
    display: block;
    text-align: left;
}
.submenu {
    filter: alpha(Opacity=90);
    opacity: 0.9;
}