.nav li.our-services ul.sub-menu li.menu-item.link-picture > .sub-menu {
    display: none !important;
}

.nav li.our-services ul.sub-menu li.menu-item.link-picture:hover>.sub-menu {
    display: flex !important;
}

.nav li.our-services ul.sub-menu li.menu-item.link-picture>.sub-menu {
    margin-top: 0% !important;
    padding-top: 40px !important;
    top: 70%;
}

.nav li.our-services ul.sub-menu li.menu-item.link-picture a {
    position: relative;
    z-index: 1001;
}