Bootstrap CSS class .align-self-*-baseline

<div class="align-self-baseline">Aligned flex item</div>

<!-- responsive variations -->
<div class="align-self-sm-baseline">Aligned flex item</div>
<div class="align-self-md-baseline">Aligned flex item</div>
<div class="align-self-lg-baseline">Aligned flex item</div>
<div class="align-self-xl-baseline">Aligned flex item</div>