<span style="font-size: 12pt;">Hi {contact_firstname} {contact_lastname}<br /><br /></span>You invoice <span style="font-size: 12pt;"><strong># {invoice_number} </strong>will be due on <strong>{invoice_duedate}</strong></span><br /><br /><span style="font-size: 12pt;">You can view the invoice on the following link: <a href="{invoice_link}">{invoice_number}</a></span><br /><br /><span style="font-size: 12pt;">Kind Regards,</span><br /><span style="font-size: 12pt;">{email_signature}</span>