<div class="row">
<div class="col-4 d-flex justify-content-center text-center">
// for image and text
</div>
</div>
<div class="d-flex justify-content-end">...</div>
<div class="d-flex flex-wrap">...</div>
обосновка-съдържание-между началното зареждане 4
<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>
обосновка първоначално зареждане съдържание-център за md
<div class="row justify-content-md-center"></div>
<div class="row justify-content-lg-center"><div>