/* Mobile nav carets: slightly smaller and closer to the label; desktop untouched. */
@media (max-width: 991.98px) {
    html #mainNavbar > ul.navbar-nav > li.dropdown > a.dropdown-toggle::after {
        width: 12px !important;
        height: 12px !important;
        background-size: 12px 12px !important;
        margin-left: 0 !important;
    }
}