■バッジ：badge：コンポーネント：ピル型のバッジを作成する badge-pill
Primary Secondary Success Danger Warning Info Light Dark 
  <span class="badge badge-pill badge-primary">Primary</span>
  <span class="badge badge-pill badge-secondary">Secondary</span>
  <span class="badge badge-pill badge-success">Success</span>
  <span class="badge badge-pill badge-danger">Danger</span>
  <span class="badge badge-pill badge-warning">Warning</span>
  <span class="badge badge-pill badge-info">Info</span>
  <span class="badge badge-pill badge-light">Light</span>
  <span class="badge badge-pill badge-dark">Dark</span>
■リストグループ：list-group：コンポーネント：バッジ付きリストグループ
  • リスト項目1 14
  • リスト項目2 2
  • リスト項目3 1 
  <section class="w-50 m-auto my-5">
      <ul class="list-group">
    <li class="list-group-item d-flex justify-content-between align-items-center">
      リスト項目1
      <span class="badge badge-primary badge-pill">14</span>
    </li>
    <li class="list-group-item d-flex justify-content-between align-items-center">
      リスト項目2
      <span class="badge badge-primary badge-pill">2</span>
    </li>
    <li class="list-group-item d-flex justify-content-between align-items-center">
      リスト項目3
      <span class="badge badge-primary badge-pill">1</span>
    </li>
  </ul>
</section>