:root {
    --bs-body-font-size: 1.125rem;
}

.btn {
    --bs-btn-font-size: 1.125rem;
}

.img-brand {
    max-width: 200px;
    width: 200px;
}

@media (min-width: 992px) {
    .img-brand {
        max-width: 300px;
        width: 300px;
    }
}