@media screen and (min-width: 1400px)and (max-width: 2000px) {
.header-primary-menu ul.we-mega-menu-ul > li.we-mega-menu-li.our-specialities .we-mega-menu-submenu {
    max-height: 100vh;
    overflow-y: none!important; 
    padding-bottom: 150px;
}
}