.tab-bar{
    width:360px;
}
.tab-nav-item{
    list-style: none;
    padding: 16px 0;
    font-size: 1.1rem;
    color: #888;
    cursor: pointer;
}
.tab-nav-item:hover,.tab-nav-item.active{
    color:#333;
}
.tab-pane{
    display: none;
}
.tab-pane.active{
    display: block;
}