@media (max-width: 991px) {
    /* ---------- General ---------- */

    table,
    tr,
    td {
        display: block;
        border: none;
    }

    th {
        display: none;
    }

    tr {
        margin: 2em 0;
    }


    /* ---------- Navigation ---------- */

    .nav-item {
        margin-top: 1em;
    }

    .nav-item:last-of-type {
        margin-bottom: 1em;
    }

    .navbar-toggler {
        color: white;
        font-size: 1.7em;
        padding-right: 0.35em;
    }

    .nav-link {
        padding-left: 0.5em;
        border-left: 3px solid transparent;
    }

    .nav-link.active {
        padding-left: 0.5em;
        border-left: 3px solid #EBA82D;
    }

    .dropdown-menu {
        background: #4C509A;
        color: white;
    }

    .dropdown-item {
        padding: 0.5em;
    }

    /* ---------- Main ---------- */

    main {
        margin-top: 3.3rem;
    }

    .main-banner {
        padding: 2em 1em;
        margin-bottom: 1.3em;
    }

    /* ---------- Welcome ---------- */

    #welcome-banner {
        min-height: calc(100vh - 3.3rem);
        padding: 1rem;
    }

    #welcome-banner-text {
        width: 100%;
        padding: 2em 0 0 0;
    }

    #welcome-banner-text h2 {
        font-size: 3em;
    }

    #welcome-banner-text p {
        width: 100%;
        font-size: 1.2em;
    }

    #welcome-banner-text-links {
        padding: 0 0 2rem 0;
    }

    #welcome-banner-image {
        display: none;
    }

    /* ---------- Database Collection ---------- */

    .collection-database {
        display: block;
        width: 100%;
        margin: 2em 0;
    }

    .collection-database img {
        height: 5em;
    }

    /* ---------- Related Databases ---------- */

    .relateddatabases-list-item {
        display: block;
        width: 100%;
        margin: 2em 0;
    }

    /* ---------- Brochure (List & Detail, e.g. used in About) ---------- */

    .brochure-list-item {
        padding: 2.7em 0;
        margin: 2.7em 0;
    }

    .brochure-list-item img {
        display: block;
        width: 100%;
    }

    .brochure-list-item-text {
        display: block;
        width: 100%;
        margin: 0;
        font-size: 1.27rem;
    }

    .brochure-detail-image {
        max-width: 90%;
        display: block;
        margin: 1em auto 2em auto;
    }

    /* ---------- Database: Navigation---------- */

    #database-nav-toggler {
        display: block;
        position: fixed;
        bottom: 2rem;
        left: 0rem;
        width: 3rem;
        height: 3rem;
        text-align: center;
        padding-top: 0.62em;
        font-size: 1.4em;
        background: #373C8E;
        color: white;
        z-index: 760;
        cursor: pointer;
    }

    #database-nav {
        top: 3.3rem;
        left: -15rem;
        height: calc(100vh - 3.3rem);
    }

    #database-nav.active {
        left: 0rem;
    }

    #database-nav ul li a {
        padding: 0.7rem;
    }

    #database-nav-collapse {
        display: none;
    }

    /* ---------- Database: Main---------- */

    #database-main {
        margin: 0;
        width: 100%;
        padding: 3.5rem 1rem 1rem 1rem;
    }

    /* ---------- List ---------- */

    #list {
        width: 100%;
    }

    .list-body-type-image {
        text-align: center;
    }

    .list-body-type-imagecompact .list-body-item {
        margin: 0.5em;
    }

    .list-body-type-imagecompact .list-body-item-text {
        width: 100%;
        color: #373C8E;
    }

    .list-pagination-section {
        width: 100%;
        display: block;
    }

    /* ---------- Tabs ---------- */

    .tabs {
        margin: 2em 0;
    }

    .tabs li {
        display: block;
        width: 100%;
        padding: 0.5em;
    }

    /* ---------- Detail ---------- */

    .viewinadmindashboard-link-container {
        text-align: center;
        padding-bottom: 2em;
    }

    /* ---------- Generic Sidebar ---------- */

    .sidebar-toggler {
        display: block;
        position: fixed;
        top: 0;
        right: 3em;
        width: 3rem;
        height: 3rem;
        text-align: center;
        padding-top: 0.55em;
        font-size: 1.6em;
        background: #373C8E;
        color: white;
        z-index: 970;
        cursor: pointer;
    }

    .sidebar-toggler-active {
        display: none;
    }

    .sidebar {
        top: 3em;
        height: calc(100vh - 6.32em);
        border-top: 1px solid rgba(0, 0, 0, 0.1);
    }

    .sidebar,
    .sidebar-submitbuttons {
        right: -23em;
    }


    /* ---------- Item Image ---------- */

    #itemimage,
    #itemimage-controls {
        width: 1000px;
        max-width: 100%;
    }

    #itemimage {
        height: 47em;
        max-height: 70vh;
    }

    /* Fullscreen  */

    section#tabbed-image.fullscreen {
        top: 3.3rem;
        height: calc(100vh - 3.3rem);
    }

    section#tabbed-image.fullscreen #itemimage {
        height: calc(100vh - 5.3rem);
        max-height: calc(100vh - 5.3em);
    }

    /* ---------- Handbook ---------- */

    #handbook-list {
        width: 100vw;
    }

    #handbook-detail-tableofcontents,
    #handbook-detail-main,
    #handbook-detail-footnotes {
        display: block;
        width: 100%;
        position: initial;
        top: 0;
        left: 0;
        height: fit-content;
        padding-bottom: 3em;
    }

    #handbook-detail-main {
        padding: 1em;
    }

}