<div class="d-flex align-items-start">...</div> <div class="d-flex align-items-end">...</div> <div class="d-flex align-items-center">...</div> <div class="d-flex align-items-baseline">...</div> <div class="d-flex align-items-stretch">...</div>
<span class="align-baseline">baseline</span> <span class="align-top">top</span> <span class="align-middle">middle</span> <span class="align-bottom">bottom</span> <span class="align-text-top">text-top</span> <span class="align-text-bottom">text-bottom</span>