.nav-menu{display:flex}.nav-menu li{position:relative;display:flex;align-items:center}.nav-menu li>a{position:relative;display:flex;justify-content:center;align-items:center;height:100%}.nav-menu li>a.active+ul{visibility:visible;opacity:1}.nav-menu li>a+ul{position:absolute;top:100%;left:0;visibility:hidden;opacity:0;z-index:0}.nav-menu li>a+ul:hover{visibility:visible;opacity:1}