/* =WordPress Core
-------------------------------------------------------------- */
.wpcf7-not-valid-tip {
    display: none;
}
.wpcf7 form.invalid .wpcf7-response-output, .wpcf7 form.unaccepted .wpcf7-response-output {
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
    font-size: 18px;
    line-height: 24px;
    padding-top: 18px;
    padding-bottom: 18px;
}