<p><span style="color: #1d1c1d; font-family: Slack-Lato, Slack-Fractions, appleLogo, sans-serif; font-size: 15px; font-variant-ligatures: common-ligatures; background-color: #f8f8f8;">Hi, {invoice_name}</span></p>
                    <p><span style="color: #1d1c1d; font-family: Slack-Lato, Slack-Fractions, appleLogo, sans-serif; font-size: 15px; font-variant-ligatures: common-ligatures; background-color: #f8f8f8;">Welcome to {app_name}</span></p>
                    <p><span style="color: #1d1c1d; font-family: Slack-Lato, Slack-Fractions, appleLogo, sans-serif; font-size: 15px; font-variant-ligatures: common-ligatures; background-color: #f8f8f8;">Hope this email finds you well! Please see attached invoice number {invoice_number} for product/service.</span></p>
                    <p><span style="color: #1d1c1d; font-family: Slack-Lato, Slack-Fractions, appleLogo, sans-serif; font-size: 15px; font-variant-ligatures: common-ligatures; background-color: #f8f8f8;">Simply click on the button below.</span></p>
                    <p style="text-align: center;" align="center"><span style="font-size: 18pt;"><a style="background: #6676ef; color: #ffffff; font-family: "Open Sans", Helvetica, Arial, sans-serif; font-weight: normal; line-height: 120%; margin: 0px; text-decoration: none; text-transform: none;" href="{invoice_url}" target="_blank" rel="noopener"> <strong style="color: white; font-weight: bold; text: white;">Download Invoice</strong> </a></span></p>
                    <p style="text-align: center;" align="center"><span style="font-size: 18pt;"><a style="background: #6676ef; color: #ffffff; font-family: "Open Sans", Helvetica, Arial, sans-serif; font-weight: normal; line-height: 120%; margin: 0px; text-decoration: none; text-transform: none;" href="{pay_invoice_url}" target="_blank" rel="noopener"> <strong style="color: white; font-weight: bold; text: white;">Pay Invoice</strong> </a></span></p>
                    <p><span style="color: #1d1c1d; font-family: Slack-Lato, Slack-Fractions, appleLogo, sans-serif; font-size: 15px; font-variant-ligatures: common-ligatures; background-color: #f8f8f8;">Feel free to reach out if you have any questions.</span></p>
                    <p><span style="color: #1d1c1d; font-family: Slack-Lato, Slack-Fractions, appleLogo, sans-serif; font-size: 15px; font-variant-ligatures: common-ligatures; background-color: #f8f8f8;">Thank You,</span></p>
                    <p><span style="color: #1d1c1d; font-family: Slack-Lato, Slack-Fractions, appleLogo, sans-serif; font-size: 15px; font-variant-ligatures: common-ligatures; background-color: #f8f8f8;">Regards,</span></p>
                    <p><span style="color: #1d1c1d; font-family: Slack-Lato, Slack-Fractions, appleLogo, sans-serif; font-size: 15px; font-variant-ligatures: common-ligatures; background-color: #f8f8f8;">{company_name}</span></p>
                    <p><span style="color: #1d1c1d; font-family: Slack-Lato, Slack-Fractions, appleLogo, sans-serif; font-size: 15px; font-variant-ligatures: common-ligatures; background-color: #f8f8f8;">{app_url}</span></p>