.adnet-brw-minimum-error {
    display: block;
    margin: 12px 0;
    padding: 10px 12px;
    border-left: 4px solid #d63638;
    background: #fff1f1;
    color: #8a1f1f;
    font-size: 14px;
    line-height: 1.45;
}

.adnet-brw-minimum-error[hidden] {
    display: none !important;
}

form[data-adnet-minimum-state="checking"] .adnet-brw-minimum-error {
    border-left-color: #dba617;
    background: #fff8e5;
    color: #6f5310;
}

form[data-adnet-minimum-state="invalid"] button.submit[disabled] {
    cursor: not-allowed !important;
    opacity: 0.55;
}