Hello, @33swift,
Please copy and paste the below-given CSS code to XStore >> Theme Settings >> Theme Custom CSS >> Global CSS and check back to your site after removing the browser cache.
.et_b_header-menu.et_element-top-level .item-design-dropdown .nav-sublist-dropdown:not(.nav-sublist) {
-webkit-animation-name: et-tobottom !important;
animation-name: et-tobottom !important;
}
Regards 8Themes Team.