.it-form__success {
    font-size: 2.25rem;
    text-align: center;
    display: none;
    line-height: 1em;
}

.it-form--hide.success :not(.it-form__success ) {
    display: none;
}

.it-form--hide.success .it-form__success {
    display: block;
}

.it-form--hide.success .it-form__success p {
    display: block;
}

.it-form--hide.success .it-form__success p+p {
    margin-top: 15px;
}