#woocommerce_pinwheeldirectmethod_advancetab + .form-table tbody tr { width: 48%; margin: 0 1%; float: left; }


#woocommerce_pinwheeldirectmethod_advancetab + .form-table tbody tr td .input-text { width: 20em; } 

@media only screen and (max-width: 480px) {
    #woocommerce_pinwheeldirectmethod_advancetab + .form-table tbody tr td .input-text { width: 8em; } 
}