her-pc-demo/common/widget/nav/nav.css

a fis pc demo run on HER

#nav {
    margin-top: 80px;
}

#nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

#nav ul li {
    color: #F1F1F1;
    cursor: pointer;
    display: inline-block;
    line-height: 22px;
    filter: alpha(opacity=40);
    font-size: 16px; font-size: 1.6rem;
    font-style: normal;
    font-weight: 100;
    opacity: .4;
    padding: 8px 0 8px 15px;
    text-transform: uppercase;
    width: 70%;
}

#nav ul li.active {
    filter: alpha(opacity=100);
    opacity: 1;
}

#nav ul li.last {
    padding-right: 0px;
}

#nav li span {
    display: inline-block;
    font-size: 14px;
    height: 0;
    opacity: 0;
    overflow: hidden;
    padding-left: 10px;
    width: 0;
}

#nav li i {
    position: relative;
    top: 2px;
}

.expanded #nav li {
    width: 90%;
}
.expanded #nav li span {
    display: inline-block;
    height: 14px;
    line-height: 14px;
    opacity: 1;
    overflow: visible;
    width: auto;
}