input[type="text"].csv-validator {
    padding: 5px;
    padding-right: 25px;
    width: 15em;
}

input[type="text"].csv-valid {
    background: url(../imgs/valid.png) no-repeat right 5px center;
    background-size: auto 20px;
    background-color: #ddffdd;
}

input[type="text"].csv-invalid {
    background: url(../imgs/invalid.png) no-repeat right 5px center;
    background-size: auto 20px;
    background-color: #ffdddd;
}

input[type="text"].csv-unknown {
    background: none;
    background-color: #ffffff;
}