.navbar-brand {
    margin-right: 0;
}
.navbar-brand img {
    width: 140px;
}

@media screen and (min-width:992px) {
    .navbar-brand img{
        width: 125px;
    }
    .navbar .container-fluid {
        flex-direction: column;
    }
    .navbar .navbar-nav .navbar-item {
        padding: .5em 1em;
    }
    .navbar-nav {
        border-bottom: 1px solid black;
    }
}

.navbar .navbar-nav .nav-link {
    color: black;
    font-size: 1em;
}

.navbar .navbar-nav {
    border-top: 1px solid black;
    margin-top: .5em;
}