/* Keep the submenu above navigation items wrapped onto the next row. */
#bs-navbar li.has-submenu:hover,
#bs-navbar li.has-submenu:focus-within {
    z-index: 30;
}

#bs-navbar li.has-submenu > ul.submenu {
    z-index: 31;
    min-width: 150px;
    max-height: 65vh;
    overflow-y: auto;
}

@media (max-width: 767px) {
    #bs-navbar li.has-submenu > ul.submenu {
        position: static;
        max-height: none;
        overflow: visible;
    }
}