<div class="row align-items-center justify-content-center"> <div class="col">This will be centered vertically and horizontally</div> </div>
<div class="d-flex justify-content-start">...</div> <div class="d-flex justify-content-end">...</div> <div class="d-flex justify-content-center">...</div> <div class="d-flex justify-content-between">...</div> <div class="d-flex justify-content-around">...</div>
