.nn_crm_message_placeholder {
    color:#f00;
    font-weight:bold;
    display:none;
    border:1px solid #f00;
    background: #fdd;
    padding:5px;
}

.nn_crm_invalid {
    background:#fdd !important;
}

input[type=checkbox].nn_crm_invalid::after {
    content: '*';
    color:red;
}

.nn_crm_removerepeater {
    border: 0px;
    background: #f00;
    color: #fff;
    font-weight: bold;
    padding: 3px 5px 6px;
    border-radius: 16px;
    margin-top: 2px;
}