Hi,
Thanks for contacting.
You can add css
.single-product .site-content-single-product .single-product-info .summary-product-wrap form.variations_form .variations td{
width: 50%;
}
.single-product .woocommerce div.product form.cart .variations select{
width: 80%;
float: right;
}
.single-product .site-content-single-product .single-product-info .summary-product-wrap form.variations_form .variations tr:nth-child(3) td{
padding-left: 0;
}
.single-product .woocommerce div.product form.cart table td{
width: 50%;
}
.single-product table.wccpf_fields_table td.wccpf_value input[type=text]{
width: 80%;
}
into Theme Option | Custom CSS & Script. Please see attachment http://prntscr.com/ebx850
Best regard,
James