.wg-dropdown-menu-nav {
    line-height: 30px;
    margin: 0 auto 0;
    background: #fff;
}

.wg-dropdown-menu-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.wg-dropdown-menu-nav ul li {
    display: inline-block;
    position: relative;
}

.wg-dropdown-menu-nav ul li a {
    color: #000;
    text-decoration: none;
    padding: 7px 18px;
    display: block;
}

.wg-dropdown-menu-nav ul li a:hover {
    background-color: #085db8;
    color: #fff;
}

.wg-dropdown-menu-sub_menu {
    position: absolute;
    background-color: #fff;
    width: 200px;
}

ul.wg-dropdown-menu-sub_menu {
    display: none;
    z-index:1;
}

ul.wg-dropdown-menu-sub_menu li{
    display: block;
}

.wg-dropdown-menu-nav ul li:hover ul.wg-dropdown-menu-sub_menu {
    display: block;
}