add first/second class indicators

      </div>

      <div style="position: absolute; left: 7em; right: 0em;

      top: <%= $wagon->{position}{start_percent} %>%; bottom: <%= 100 - $wagon->{position}{end_percent} %>%;">

%       if ($wagon->is_first_class) {

          <span style="display: inline-block; width: 0.8em; text-align: center; color: #ffffff; background-color: #666666; border: 1px solid #666666;">1</span>

%       }

%       if ($wagon->is_second_class) {

          <span style="display: inline-block; width: 0.8em; text-align: center; color: #666666; border: 1px solid #666666;">2</span>

%       }

%       if ($wagon->has_accessibility) {

          ♿

%       }