Article: https://hwk.fr/blog/acf-creer-un-formulaire-de-connexion-inscription-en-ajax-grace-acf-form

wp-acf-form-ajax-frontend-style.css

.acf-form.acf-form-ajax .acf-error-message{
    display:none;
}

.acf-form.acf-form-ajax .error.text-danger.small p{
    margin:0;
    margin-top:5px;
}

.acf-form.acf-form-ajax [data-name="remember_me"] ul{
    list-style:none;
    padding:0;
}

.acf-form.acf-form-ajax [data-name="remember_me"] input{
    margin-right:7px;
}

.acf-hidden-wp-editor{
    display:none;
    visibility:hidden;
}