oont-contents/plugins/woocommerce-pdf-invoices-packing-slips/assets/css/order-styles-buttons-wc39.min.css

.type-shop_order .column-order_actions a.button.wpo_wcpdf{float:left;width:26px;height:26px;padding:3px 2px}.type-shop_order .column-wc_actions a.button.wpo_wcpdf img{margin-top:3px}