h2.login-form__title, #mfa-app, .mfa-section-title, .mfa-app-title {
    color: #546780 !important;
}

ul.mfa-action-list li.mfa-action-list__item a.btn,
ul.mfa-action-list li.mfa-action-list__item button.btn-secondary,
ul.mfa-action-list--backup-codes li.mfa-action-list__item a.btn
{
    color: #546780 !important;
}
.mfa-register-backup-codes__code-grid {
    color: #546780 !important;
}