.wc-used-coupons:not(.wc-used-vcrf-coupons) {
    display: none;
}

.wp-core-ui .button-delete {
    background: #a00;
    border-color: #a00;
    color: #fff;
    text-decoration: none;
    text-shadow: none;
}

#saving-btns-after-keys-change {
    display: none;
    background-color: #ffcdcd;
    padding: 16px;
    border: 6px solid #da0000;
}