zarovnajte položky 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>
bootstrap col centrum obsah
<div class="row">
<div class="col-4 d-flex justify-content-center text-center">
// for image and text
</div>
</div>
ustify-obsah: flex-end; bootstrap
<div class="d-flex justify-content-end">...</div>
flex zábal bootstrap
<div class="d-flex flex-wrap">...</div>
bootstrap displej flex
<div class="d-flex">I'm a flexbox container!</div>
displej flex usnig bootstrap
<div class="d-flex p-2 bd-highlight">I'm a flexbox container!</div>