<span class="el_badge el_badge__plain">任意</span>
<span class="el_badge el_badge__plain el_badge__primary">推奨</span>
<span class="el_badge el_badge__plain el_badge__info">情報</span>
<span class="el_badge el_badge__plain el_badge__success">重要</span>
<span class="el_badge el_badge__plain el_badge__warning">注意</span>
<span class="el_badge el_badge__plain el_badge__danger">必須</span>