#nav {
    background-color: #810;
    padding: 0;
    margin: 0;
    font-family: Arial;
    font-size: 14px;    
}
#nav_wrapper {
    width: 100%;
    margin: 0 auto;
    text-align: left;
}
#nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    position: relative;
    min-width: 200px;
}
#nav ul li {
    display: inline-block;
}
#nav ul li:hover {
    background-color: #000;
}
#nav ul li a, visited {
    color: #CCC;
    display: block;
    padding: 15px;
    text-decoration: none;
}
#nav ul li:hover ul {
    display: block; 
z-index:100;  
}
#nav ul ul {
    display: none;
    position: absolute;
    background-color: #810;
    border: 5px solid #000;
    border-top: 0;
    margin-left: -5px;
}
#nav ul ul li {
    display: block;
}
#nav ul ul li a:hover {
    color: #699;
}