col align-self-start

html bootstrap5 Sample

カラム単位での垂直方向整列：align-self-*

align-self-start

align-self-center

align-self-end

  <div class="row">
    <!-- 垂直上寄せ -->
    <div class="col align-self-start">align-self-start</div>
    <!-- 垂直中央寄せ -->
    <div class="col align-self-center">align-self-center</div>
    <!-- 垂直下寄せ -->
    <div class="col align-self-end">align-self-end</div>
  </div>