.yy_nav{
    background-color: #F5F5F5;
    border: 1px solid #D9D9D9;
}
.yy_nav li a{
    height: 38px;
    padding: 0 20px;
    cursor: pointer;
    display: block;
    line-height: 38px;
}
.yy_nav .present a{
    background-color: #DBF1E1;
    color: #06CC71;
}
.yy_nav li a:hover{
    background-color: #DBF1E1;
    color: #06CC71;
}