form.newsletter_signup_short_form {
    display: flex;
    /*width: 586px;*/
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
}

form.newsletter_signup_short_form input[type=email] {
    padding: 10px 20px;
    align-items: center;
    gap: 10px;
    flex: 1 0 0;
    align-self: stretch;
    border-radius: 5px;
    background: var(--white-smoke);
    border: none;
}