.menu-desktop .submenu {
    background: #fff;
    position: absolute;
    border-radius: 0 0 5px 5px;
    transition: all 0s ease-in-out 0s;
    transform: translateY(1em);
    visibility: hidden;
    opacity: 0;
    left: 0;
    right: 0;
    z-index: 1;
    width: 30%;
}