bootstrap 4 center div code example
Example 1: align items center bootstrap
<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>
Example 2: bootstrap 4 center 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>
Example 3: align eliment in center of row bootstrap
<div class="row justify-content-center">
...inner divs and content...
</div>
Example 4: bootstrap center align columns
<!-- Center columns in a Row -->
<div class="row d-flex justify-content-center text-center">
<div class="col-4">
</div>
<div class="col-4">
</div>
<div class="col-4">
</div>
</div>
Example 5: how to center vertically in bootstrap col
<div class="my-auto">
...inner divs and content...
</div>