.sidebar {
    position: fixed;
    top: 0;
    bottom: 60px;
    left: 0;
    z-index: 100; /* Behind the navbar */
    padding-top: 57px; /* Height of navbar */
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
}

.sidebar-sticky {
    position: relative;
    top: 0;
    height: calc(100vh - 117px);    /* Height of navbar + footer */
    padding-top: .5rem;
    overflow-x: hidden;
    overflow-y: auto; /* Scrollable contents if viewport is shorter than content. */
}

@supports ((position: -webkit-sticky) or (position: sticky)) {
    .sidebar-sticky {
        position: -webkit-sticky;
        position: sticky;
    }
}

.sidebar .nav-link {
    font-weight: 500;
    color: #333;
}

.sidebar .nav-link .feather {
    margin-right: 4px;
    color: #999;
}

.sidebar .nav-link.active {
    color: #007bff;
}

.sidebar .nav-link:hover .feather,
.sidebar .nav-link.active .feather {
    color: inherit;
}

.sidebar-heading {
    font-size: .75rem;
    text-transform: uppercase;
}