.sidebar {
    background-color: hsl(218, 27%, 13%);
    width: 190px;
    overflow-y: auto;
    z-index: 1;
    box-shadow: 3px 0 17px #00000055;
    /*height: 100vh;*/
    /*    display: flex;*/
    /*    flex-direction: column;*/
    /*    justify-content: space-between;*/
}

    .sidebar .top-row {
        background-color: rgba(0,0,0,0.4);
    }

    .sidebar .navbar-brand {
        font-size: 1.1rem;
    }

    .sidebar .oi {
        width: 2rem;
        font-size: 1.1rem;
        vertical-align: text-top;
        top: -2px;
    }

    .sidebar .separator {
        width: 96%;
        /*margin: 6px auto 11px auto;*/
        height: 2px;
        background-color: hsl(213, 11%, 19%);
    }

.node-list-heading {
    font-size: 1.5em;
}

.node-list-subheading {
    font-size: 1em;
    line-height: 1.3em;
    padding-top: 3px;
}