.FontSite {
    font-family: Arial, sans-serif;
}
#nav-ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    width:200px;
    background-color:#f1f1f1;
}
#nav-ul li{
    float:left;
    text-align:center;
}
#nav-ul li a{
    display:block;
    color:black;
    padding:8px 16px;
    text-decoration:none;
}

#nav-ul li a:hover{
    background-color:#555;
    color:white;
}

#nav-ul a.active{
    background-color:#04AA6D;
    color:white;
}