tmpl.html

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<html>
    
  </head>
  <body>
    <div class="card">
      <p> Hello {{.Name}},</p>
      <p class="title" style="color:grey;font-size:18px;">{{.Code}}  </p> is your verification code for {{.AppName}}
      <p></p>
      <div style="margin: 24px 0;">
      </div>
    </div>
  </body>
</html>