.menu-sub {
    background: #fff;
    overflow: hidden;
    color: #000;
    line-height: 50px;
    max-height: 0;
    transition: max-height 0.5s ease-in-out !important;
}
.menu-sub:target {
    height: 50px;
}
.app-brand-link {
    text-align: center;
    margin: 5px auto;
}
.sized-100px{
    width:50px;
    margin-top:10px;
    text-align: center;
    margin: auto;
}
.menu-sub.open {
    overflow: visible;
    max-height: 1000px;
}