Problemas con el Menu Horizonal y Contenido

[Gundam01]

CSS del Menu:
position: relative;
top: 24;
left:0;
margin:0;
padding:0;
background:#0066CC;
}

ul#menu-horizontal ul li {
display: block !important;
}

ul#menu-horizontal li:hover ul{
display: none;
}

ul#menu-horizontal li:hover ul{
display: block;
}

#menu-horizontal {
width:1380px;
margin:-16 auto;
}

#menu-horizontal li {
margin:0 1px;
width:178px;
min-height:50px;
text-align:center;
background:#2175bc;
list-style:none;
padding:2px 0;
}

#menu-horizontal li:hover {
background:#0066CC;
}

#menu-horizontal li a {
font:bold 18px Arial, Helvetica, sans-serif;
color:#FFF;
text-decoration:none;
}

#menu-horizontal li ul li{
float:none;
width:178px;
margin:1px 0;
}