blog-detail ._blogDetail ._b_d_header._active {
    transform: translate3d(0, 80px, 0);
}

blog-detail ._blogDetail ._b_d_nav .nav_item {
    font-size: 16px;
    font-weight: 600;
    color: #111;
    display: inline-block;
    margin-right: 5px;
    transition: all .3s;
    cursor: pointer;
}

blog-detail ._blogDetail ._b_d_nav .nav_item a {
    font-size: 16px;
    color: #757575;
}

blog-detail ._blogDetail ._b_d_header._active .b_d_subheader {
    background-color: #00446f;
    color: white;
}