<div class="<?= $this->prefix ?> explanation<?php if ($this->class): ?> <?= $this->class ?><?php endif; ?><?php if ($this->eSM_fl_width): ?> w<?= $this->eSM_fl_width; ?><?php endif; ?><?php if ($this->eSM_fl_clear): ?> clr<?php endif; ?><?php if ($this->eSM_fl_class): ?> <?= $this->eSM_fl_class; ?><?php endif; ?>">
  <?= $this->generate() ?>
</div>