#header .header-menu > li > .mmdb-menu-arrow {
    position: absolute;
    top: 0;
    right: 0;
    width: 50px;
    height: 34px;
    line-height: 34px;
    font-size: 22px;
    color: inherit;
    text-align: right;
    cursor: pointer;
}
#header .header-menu > li > .mmdb-menu-arrow[hidden] { display: none; }
#header .header-menu > li > .mmdb-menu-arrow[aria-expanded="true"] i { transform: rotate(90deg); }
#header .header-menu > li > .mmdb-menu-arrow:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }