.navbar-modal-centered {
    position: absolute;
    left: 50%;
    display: block;
    text-align: center;
    background-color: transparent;
}

    .navbar-modal-centered h3 {
        margin: 0;
        margin-left: -30px;
        margin-top: -2px
    }

.navbar > .container .navbar-modal-centered,
.navbar > .container-fluid .navbar-modal-centered {
    margin-left: -80px;
}