.nav_contents ul li ul.sub {
    display: none;
    position: absolute;
    padding: 0;
    z-index: 99;
}

.nav_contents ul li ul.sub li {
    /*background: #65a109;*/
    /*background: #9ccf36;*/
    /*background: #9dca3e;*/
    background: #98cc49;
    float: none !important;
    height: 2.2rem !important;
    border-right: none;
    border-bottom:solid 1px #ffffff;
    width: 250px;
}

.nav_contents ul li ul.sub li:last-child {
    border-bottom: none;
}

.nav_contents ul li ul.sub li a:link,
.nav_contents ul li ul.sub li a:hover {
    /*margin-left: -5px;
    margin-right: -5px;
    margin-bottom: -5px;*/
    padding: 10px 10px 10px 0;
    width: 250px;
    display: block;
    font-size: 0.9rem;
    line-height: 0.9rem;
    text-indent: 0 !important;
    text-align: center;
}
.nav_contents ul li ul.sub li a:active,
.nav_contents ul li ul.sub li a:hover {
    /*background: #65a109;*/
    /*background: #9dca3e;*/
    background: #65a109;
    text-decoration:none;
}

@media screen and (max-width: 768px) {
.nav_contents ul li ul.sub li {
    display: none;
}

}