:root {
    --brand-color: #013755;
}

.navbar {
    background-color: var(--brand-color);
}

.btn-primary {
    background-color: var(--brand-color);
    border-color: var(--brand-color);
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 991.98px) {
    main {
        /* show always left menu */
        padding-left: 240px;
    }
}