.navDbox {
    height: unset;
}
.navbar-area .navbar {
    background: rgba(0,0,0,0.3);
}
.standalone {
    text-align: center;
    position: relative;
    display: block;
    margin-bottom: 40px;
    font-size: 28px;
    font-weight: bold;
}

    .standalone::after {
        content: "";
        position: absolute;
        left: 50%;
        bottom: -5px;
        transform: translate3d(-50%,0,0);
        height: 3px;
        width: 20px;
        border-radius: 1.5px;
        background: #f14027;
    }