.nav ul .menu2:hover {
     position: relative;}
.menu3{
    position: relative;

    width: 150px;}
.menu2:hover .menu3{
    display: block;
        left: 94px;
       top: 0px;}

.nav ul li ul li.ej{    position: relative;}
.sj{position: absolute;
    top: 0;
    left: 100%;
    width: 110px;
    display:none
;}
.nav ul li ul li.ej:hover .sj{display:block;}
.sj a{ display: block;}