div.wpforms-container-full .wpforms-confirmation-container-full, div[submit-success]>.wpforms-confirmation-container-full:not(.wpforms-redirection-message) {
    background: #dd3333;
    border: 1px solid #bb1111;
    box-sizing: border-box;
}

div.wpforms-container-full .wpforms-confirmation-container-full, div[submit-success]>.wpforms-confirmation-container-full {
    color: #fff;
    margin: 0 auto 24px;
    font-weight: 600;
    padding: 15px;
    overflow-wrap: break-word;
}