.sn-pin-form {
    max-width: 400px !important;
    margin: 30px auto !important;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #f9f9f9;
}
.sn-pin-form label,
.sn-pin-form input[type="text"],
.sn-pin-form input[type="submit"] {
    width: 100%;
    margin-bottom: 10px;
    box-sizing: border-box;
}
.sn-pin-form input[type="text"],
.sn-pin-form input[type="submit"] {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
}
.sn-pin-form input[type="submit"] {
    background-color: #4caf50;
    color: white;
    cursor: pointer;
}
.sn-pin-form input[type="submit"]:hover {
    background-color: #45a049;
}
#sn-pin-response {
    margin-top: 15px;
}
.disabled{
    border: 1px solid #999999 !important;
    background-color: #cccccc !important;
    color: #666666 !important;
    cursor: auto !important;
}
#sn-pin-response {
  text-align: center;
}