.nav li .sub-menu{position:absolute;padding:20px 0;z-index:9999;width:340px;background:#fff;visibility:hidden;opacity:0;border-top:3px solid #2ea3f2;box-shadow:0 2px 5px rgba(0,0,0,.1);-moz-box-shadow:0 2px 5px rgba(0,0,0,.1);-webkit-box-shadow:0 2px 5px rgba(0,0,0,.1);-webkit-transform:translateZ(0);text-align:left}#top-menu .sub-menu>li .sub-menu{transform:translateX(100px)}#top-menu li li a{padding:6px 20px;width:300px}