.wgt_nav>li{
    position: relative;
    font-size: 14px;
}
.wgt_nav>li>a{
    display: block;
    padding:10px 10px;
}
.wgt_nav>li .wgt_sub_nav{
    padding-left: 30px;
}
.wgt_nav>li .wgt_sub_nav>li>a{
    display: block;
    padding:10px 0;
}
.wgt_sub_nav{
    display: none;
}
li.open>.wgt_sub_nav{
    display: block;
}