<p style="line-height: 2;">Hello {customer_name},</p><p style="line-height: 1;">You have successfully subscribed to <b>{package_name} </b>package.</p><p style="line-height: 1;"><b>Activation Date:</b> {activation_date}</p><p style="line-height: 1;"><b>Expire Date:</b> {expire_date}</p><p style="line-height: 2;">We have also attached an invoice with this email.</p><p style="line-height: 1.2;">Best Regards,</p><p style="line-height: 1.2;">{website_title}</p>