Layout of Visualforce PDF Invoice (A4, fixed grid)

Development and manual refinement of an HTML invoice template for Salesforce Visualforce with PDF generation (renderAs="pdf").

Project features:
• fixed grid 120 / 33 / 33 mm through
• layout adaptation for correct display in PDF (A4)
• transfer of inline styles to CSS classes
• correct operation of rowspan and fixed columns
• optimization for the Visualforce PDF rendering mechanism

Result: stable display of the invoice in PDF format and correct document generation in Salesforce.