How to customize/style the attachment section

Default structure:

.woocommerce-Tabs-panel--wcpoa_product_tab .wcpoa_attachment_name{} 

.woocommerce-Tabs-panel--wcpoa_product_tab .wcpoa_attachment{} 

.woocommerce-Tabs-panel--wcpoa_product_tab a.wcpoa_attachmentbtn {}

.wcpoa_attachmentbtn.youtube_container {}

Screenshot - 1: Default layout

Design Type - 2: CSS

.woocommerce-Tabs-panel--wcpoa_product_tab .wcpoa_attachmentbtn, .woocommerce-Tabs-panel--wcpoa_product_tab .wcpoa_attachmentbtn:hover{background-color: unset;}

Screenshot - 2: Custom layout