.sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 90px 0 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
    z-index: 99;
}


.navbar {
    box-shadow: inset 0 -1px 0 rgba(0, 0, 0, .1);
}


.sidebar .nav-link {
    color: #333;
}

.sidebar .nav-link.active {
    color: #0d6efd;
}