Application_Form/app/views/seminars/signup_email_contents.html.erb

<style>
  .signup_infos td:first-child {
    white-space: nowrap;
  }
</style>
<h3><%= seminar.title rescue nil %></h3>
<table id="signup_infos">
  <tbody>
    <%
      fields_contents = seminar_signup.get_display_fields
    %>
    <% fields_contents.each_with_index do |h| %>
      <tr>
        <td>
          <%= h["title"] %>:&nbsp;
        </td>
        <td>
          <%= h["value"].html_safe %>
        </td>
      </tr>
    <% end %>
  </tbody>
</table>