#row_mageworx_shipping_calculator_shipping_methods_configuration > td {
    display: block;
    width: 100%;
}

#row_mageworx_shipping_calculator_shipping_methods_configuration > .label {
    display: none;
}

#mageworx_shipping_calculator_shipping_methods_configuration > tbody > tr > td > .methods_select {
    max-width: 220px;
}

#mageworx_shipping_calculator_shipping_methods_configuration > tbody > tr > td > .methods_select > optgroup > option:first-child {
    color: #0a6c9f;
    font-weight: bold;
}