.nav-masthead .nav-link + .nav-link {
    margin-left: 1rem;
}

.nav-masthead .nav-link {
    color: rgba(255, 255, 255,  .5);
    border-bottom: .25rem solid transparent;
}

.nav-masthead .nav-link:hover {
    border-bottom-color: rgba(255, 255, 255, .25);
}

.nav-masthead .active {
    color: white;
    border-bottom-color: white;
}