bootstrap col center content
<div class="row">
<div class="col-4 d-flex justify-content-center text-center">
// for image and text
</div>
</div>
Source:stackoverflow.com
bootstrap center align columns
bootstrap text center in div
<!-- recommended method -->
<div class="col-xs-1 text-center">
Source:stackoverflow.com
bootstrap justify-content-center for lg
<div class="row justify-content-lg-center"><div>