header {
    position: unset;
    transform: unset;
    padding: 0;
    display: unset !important;
}
header > div {
    padding: .25rem;
}
header nav {
    background: rgba(0, 0, 0, .5);
    color: #fff;
    display: flex;
}
.navbar-expand-lg .navbar-nav .nav-link {
    --bs-navbar-nav-link-padding-x: 1rem;
}