PDF Invoices and Packing Slips-CSS template version
The complete customized plugin version is available within the Snippet Library. Recommend installing the complete customized plugin to easily achieve results. You can also download a folder which contains five files that can replace your existing files and achieve the same results.
Below are screenshots of the standard template on left within the PDF Invoices & Packing Slips for WooCommerce plugin and the CSS Answer version of the template on right.
The following has been adjusted for placing elements on INVOICE & ORDER INFORMATION template:
1; Text for Bank Wiring Details can be added in the settings area and will appear within the container at upper right side of INVOICE template. This is automatically removed on the PACKING SLIP template.
2; Shop Name now centered with larger bold text below the logo. Entered in the settings area.
3; Shop Address now below the Shop Name. Entered in the settings area.
4; A background color element has been added to INVOICE & ORDER INFORMATION title. The title text is changed from INVOICE to INVOICE & ORDER INFORMATION.
5; Billing Address: and Ship To: titles within the containers now have larger bold text centered within the containers.
6; Container boarders have been added to better organize the elements.
The following has been adjusted for placing container elements on the PACKING SLIP template:
1; Text where Bank Wiring Details was removed can be added in settings area and appears with the container at the upper right side of the PACKING SLIP template. Text is easily added within the settings area.
2; Additional Shop Notes text is available to be added withing the settings area.
VS 
.