li.submenu ul.dropdown-menu[data-bs-popper] {
    border-width: 0;
    padding-top: 0;
    padding-bottom: 1em;
}

li.submenu ul.dropdown-menu[data-bs-popper] li {
    margin-left: 1.5em;
}

li.submenu>a.dropdown-toggle.show::after {
    transform: rotate(90deg);
}

li.submenu.dropinline>a.dropdown-toggle.show::after {
    transform: rotate(0deg);
}

li.submenu.dropinline>a.dropdown-toggle::after {
    transform: rotate(-90deg);
}

li.submenu.dropstart>a.dropdown-toggle::before {
    display: none;
}

li.submenu.dropstart>a.dropdown-toggle::after {
    display: inline-block;
    margin-left: 0.255em;
    vertical-align: 0;
    content: "";
    border-top: 0.3em solid transparent;
    border-right: 0;
    border-bottom: 0.3em solid transparent;
    border-left: 0.3em solid;
}

@media (min-width: 768px) {

    /* common styles */
    li.submenu-md ul.dropdown-menu[data-bs-popper] {
        border-width: var(--bs-dropdown-border-width);
        padding-top: var(--bs-dropdown-padding-y);
        padding-bottom: var(--bs-dropdown-padding-y);
        margin-top: -0.5em;
    }

    li.submenu-md ul.dropdown-menu[data-bs-popper] li {
        margin-left: 0;
    }

    li.submenu-md a[role="button"] {
        display: inline-flex;
        align-items: center;
    }

    /* dropend styles */
    li.submenu-md.dropend ul.dropdown-menu[data-bs-popper] {
        margin-left: -0.3em;
    }

    li.submenu-md.dropend a[role="button"].show::after {
        transform: unset;
    }

    li.submenu-md.dropend a[role="button"]::after {
        position: absolute;
        right: 0.4em;
    }

    /* dropstart styles */
    li.submenu-md.dropstart ul.dropdown-menu[data-bs-popper] {
        margin-right: -0.3em;
    }

    li.submenu-md.dropstart a[role="button"]::before {
        display: block;
        position: absolute;
        left: 0.4em;
    }

    li.submenu-md.dropstart a[role="button"]::after {
        display: none;
    }

    li.submenu-md.dropinline ul.dropdown-menu[data-bs-popper] {
        position: relative;
        width: 100% !important;
        border: 0;
        box-shadow: none;
        background-color: transparent;
    }

    li.submenu-md.dropinline ul.dropdown-menu[data-bs-popper] li {
        padding-left: 1em;
    }
}