.nk-registration-serial-number-area input, p, b {
    display: block;
}

.nk-registration-bgbutton {
    background-color: #f05d29;
    color: #ffffff;
    border-style: none;
    border-width: 0;
}

#nk-registration-form .checkbox-grid li, input {
    display: inline-block;
    vertical-align: middle;
    padding: 10px;
}