.xsmb-box {
    max-width: 420px;
    padding: 15px;
    border: 1px solid #ddd;
    background: #f9f9f9;
}
.xsmb-box input {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
}
.xsmb-box button {
    padding: 8px 15px;
    background: #b00000;
    color: #fff;
    border: none;
    cursor: pointer;
}
.xsmb-result {
    margin-top: 10px;
}
.note {
    font-size: 12px;
    color: #777;
}