.unitpayform {
    text-align: center;
    margin-bottom: 20px;
}

.unitpayform input {
    margin-bottom: 10px;
    width: 35%
}

.unitpayform .onp_error {
    border: 1px solid red;
}

.unitpayform .onp_success {
    color: green;
    text-align: center;
}
.unitpayform .onp_failed {
    color: red;
    text-align: center;
}