#newsletter-form {
    display: flex;
    flex-direction: column;
}

#newsletter-form .control-group {
    margin: 0.5rem 0;
}

#newsletter-form fieldset {
    margin-bottom: 0;
}

#newsletter-form #newsletter-optin>.control-group {
    display: flex;
    flex-direction: row-reverse;
}

#newsletter-form #newsletter-optin>.control-group>.control-label:first-child {
    margin-right: auto;
}

#newsletter-form .form-select {
    color: var(--black);
}

.modal-backdrop.show {
    z-index: 2;
}

#newsletter-form .btn-check:checked+.btn,
#newsletter-form :not(.btn-check)+.btn:active,
#newsletter-form .btn:first-child:active,
#newsletter-form .btn.active,
#newsletter-form .btn.show {
    color: var(--white);
    background-color: var(--black);
    border-color: var(--black);
}