{{ define "main"}}
<div class="panel panel-default">
  <div class="panel-body">
  <h1> Oops! Page not found</h1>
<p>
  We are sorry, but the page you requested was not found
</p>
<p><a href='/'><button type="button" class="btn btn-primary">Back Home</button></a></p>
  </div> 
  </div>
{{ end }}