Answers for "bootstrap 4 vertical horizontal align"

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>

bootstrap row no-wrap

<div class="row flex-nowrap">
    <div class="col"></div>
    <div class="col"></div>
</div>